Works by Obua, Celestino

Results: 95

Understanding the Effect of a Healthcare Provider-Led Family Planning Support Intervention on Contraception use and Pregnancy Desires among Postpartum Women Living with HIV in Southwestern Uganda.

Published in:

AIDS & Behavior, 2022, v. 26, n. 1, p. 266, doi. 10.1007/s10461-021-03380-z

By:

Atukunda, Esther C.;
Matthews, Lynn T.;
Musiimenta, Angella;
Agaba, Amon;
Najjuma, Josephine N.;
Lukyamuzi, Edward John;
Kaida, Angela;
Obua, Celestino;
Mugyenyi, Godfrey R.

Publication type:

Article

Characteristics of antimicrobial stewardship programmes in hospitals of Uganda.

Published in:

PLoS ONE, 2022, v. 17, n. 5, p. 1, doi. 10.1371/journal.pone.0268032

By:

Kimbowa, Isaac Magulu;
Ocan, Moses;
Eriksen, Jaran;
Nakafeero, Mary;
Obua, Celestino;
Stålsby Lundborg, Cecilia;
Kalyango, Joan

Publication type:

Article

Antimicrobial stewardship: Attitudes and practices of healthcare providers in selected health facilities in Uganda.

Published in:

PLoS ONE, 2022, v. 17, n. 2, p. 1, doi. 10.1371/journal.pone.0262993

By:

Kimbowa, Isaac Magulu;
Eriksen, Jaran;
Nakafeero, Mary;
Obua, Celestino;
Lundborg, Cecilia Stålsby;
Kalyango, Joan;
Ocan, Moses

Publication type:

Article

Antibody levels and protection after Hepatitis B vaccine in adult vaccinated healthcare workers in northern Uganda.

Published in:

PLoS ONE, 2022, v. 17, n. 1, p. 1, doi. 10.1371/journal.pone.0262126

By:

Ocan, Moses;
Acheng, Frances;
Otike, Carol;
Beinomugisha, Judith;
Katete, David;
Obua, Celestino

Publication type:

Article

Appropriateness of Care for Common Childhood Infections at Low-Level Private Health Facilities in a Rural District in Western Uganda.

Published in:

International Journal of Environmental Research & Public Health, 2021, v. 18, n. 15, p. 7742, doi. 10.3390/ijerph18157742

By:

Mwanga-Amumpaire, Juliet;
Alfvén, Tobias;
Obua, Celestino;
Källander, Karin;
Migisha, Richard;
Stålsby Lundborg, Cecilia;
Ndeezi, Grace;
Kalyango, Joan Nakayaga

Publication type:

Article

Antibiotic use among children under five years with diarrhea in rural communities of Gulu, northern Uganda: a cross-sectional study.

Published in:

2021

By:

Lanyero, Hindum;
Ocan, Moses;
Obua, Celestino;
Stålsby Lundborg, Cecilia;
Nanzigu, Sarah;
Katureebe, Agaba;
N. Kalyango, Joan;
Eriksen, Jaran

Publication type:

journal article

Measuring adherence to antiretroviral treatment in resource-poor settings: The feasibility of collecting routine data for key indicators.

Published in:

BMC Health Services Research, 2010, v. 10, p. 43, doi. 10.1186/1472-6963-10-43

By:

Chalker, John C.;
Andualem, Tenaw;
Gitau, Lillian N.;
Ntaganira, Joseph;
Obua, Celestino;
Tadeg, Hailu;
Waako, Paul;
Ross-Degnan, Dennis

Publication type:

Article

Cytochrome P450 2C19 genetic polymorphisms in Ugandans.

Published in:

2009

By:

Miura, Jun;
Obua, Celestino;
Abbo, Catherine;
Kaneko, Sunao;
Tateishi, Tomonori

Publication type:

Letter

Women's Choice to Deliver at Home: Understanding the Psychosocial and Cultural Factors Influencing Birthing Choices for Unskilled Home Delivery among Women in Southwestern Uganda.

Published in:

Journal of Pregnancy, 2020, p. 1, doi. 10.1155/2020/6596394

By:

Atukunda, Esther C.;
Mugyenyi, Godfrey R.;
Obua, Celestino;
Musiimenta, Angella;
Agaba, Edgar;
Najjuma, Josephine N.;
Ware, Norma C.;
Matthews, Lynn T.

Publication type:

Article

Adherence to clinical guidelines in integration of mental health services into primary health care in Mbarara, southwestern Uganda: a medical records review.

Published in:

International Journal of Mental Health Systems, 2021, v. 15, n. 1, p. 1, doi. 10.1186/s13033-021-00488-6

By:

Wakida, Edith K.;
Ocan, Moses;
Rukundo, Godfrey Z.;
Maling, Samuel;
Ssebutinde, Peter;
Okello, Elialilia S.;
Talib, Zohray M.;
Obua, Celestino

Publication type:

Article

Informal support for people with Alzheimer's disease and related dementias in rural Uganda: a qualitative study.

Published in:

International Journal of Mental Health Systems, 2020, v. 14, n. 1, p. 1, doi. 10.1186/s13033-020-00364-9

By:

Nankinga, Pia Ngoma;
Maling, Samuel;
Chemali, Zeina;
Wakida, Edith K.;
Obua, Celestino;
Okello, Elialilia S.

Publication type:

Article

Use of antibacterials in the management of symptoms of acute respiratory tract infections among children under five years in Gulu, northern Uganda: Prevalence and determinants.

Published in:

PLoS ONE, 2020, v. 15, n. 6, p. 1, doi. 10.1371/journal.pone.0235164

By:

Lanyero, Hindum;
Eriksen, Jaran;
Obua, Celestino;
Stålsby Lundborg, Cecilia;
Nanzigu, Sarah;
Katureebe, Agaba;
Kalyango, Joan N.;
Ocan, Moses

Publication type:

Article

Barriers and facilitators to the integration of mental health services into primary healthcare: a qualitative study among Ugandan primary care providers using the COM-B framework.

Published in:

2018

By:

Wakida, Edith K.;
Obua, Celestino;
Rukundo, Godfrey Z.;
Maling, Samuel;
Talib, Zohray M.;
Okello, Elialilia S.

Publication type:

journal article

Self-transfers and factors associated with successful tracing among persons lost to follow-up from HIV care, Sheema District, Southwestern Uganda: retrospective medical records review, 2017–2021.

Published in:

AIDS Research & Therapy, 2022, v. 19, n. 1, p. 1, doi. 10.1186/s12981-022-00471-2

By:

Ssemwogerere, Arnold;
Kamya, Javilla Kakooza;
Nuwasasira, Lillian;
Ahura, Claire;
Isooba, Derrick Isaac;
Wakida, Edith K.;
Obua, Celestino;
Migisha, Richard

Publication type:

Article

Enabling Dynamic Partnerships through Joint Degrees between Low- and High-Income Countries for Capacity Development in Global Health Research: Experience from the Karolinska Institutet/Makerere University Partnership.

Published in:

PLoS Medicine, 2015, v. 12, n. 2, p. 1, doi. 10.1371/journal.pmed.1001784

By:

Sewankambo, Nelson;
Tumwine, James K.;
Tomson, Göran;
Obua, Celestino;
Bwanga, Freddie;
Waiswa, Peter;
Katabira, Elly;
Akuffo, Hannah;
Persson, Kristina;
Peterson, Stefan

Publication type:

Article

Sublingual Misoprostol versus Intramuscular Oxytocin for Prevention of Postpartum Hemorrhage in Uganda: A Double-Blind Randomized Non-Inferiority Trial.

Published in:

PLoS Medicine, 2014, v. 11, n. 11, p. 1, doi. 10.1371/journal.pmed.1001752

By:

Atukunda, Esther C.;
Siedner, Mark J.;
Obua, Celestino;
Mugyenyi, Godfrey R.;
Twagirumukiza, Marc;
Agaba, Amon G.

Publication type:

Article

Healthcare workers' perspective about barriers and facilitators to pediatric HIV status disclosure in eastern Uganda using capability opportunity and motivation of behavior change model.

Published in:

PLoS Global Public Health, 2025, v. 5, n. 5, p. 1, doi. 10.1371/journal.pgph.0004662

By:

Kirabira, Joseph;
Rukundo, Godfrey Zari;
Zanoni, Brian C.;
Obua, Celestino;
Wakida, Edith;
Atala, Christine Etoko;
Akello, Naume Etoko;
Huang, Keng-Yen;
Ashaba, Scholastic

Publication type:

Article

Understanding patterns of family support and its role on viral load suppression among youth living with HIV aged 15 to 24 years in southwestern Uganda.

Published in:

Health Science Reports, 2022, v. 5, n. 1, p. 1, doi. 10.1002/hsr2.467

By:

Nakandi, Rachael Mukisa;
Kiconco, Patricia;
Musiimenta, Angella;
Bwengye, John Johnes;
Nalugya, Sylivia;
Kyomugisa, Richard;
Obua, Celestino;
Atukunda, Esther Cathyln

Publication type:

Article

Antimicrobial Stewardship Programmes: Healthcare Providers' Perspectives on Adopted Hospital Policies That Combat Antibacterial Resistance in Selected Health Facilities in Uganda.

Published in:

Antibiotics (2079-6382), 2024, v. 13, n. 11, p. 999, doi. 10.3390/antibiotics13110999

By:

Kimbowa, Isaac Magulu;
Ocan, Moses;
Nakafeero, Mary;
Obua, Celestino;
Stålsby Lundborg, Cecilia;
Kalyango, Joan;
Eriksen, Jaran

Publication type:

Article

Trimester-Specific Population Pharmacokinetics and Other Correlates of Variability in Sulphadoxine-Pyrimethamine Disposition Among Ugandan Pregnant Women.

Published in:

Drugs in R&D, 2015, v. 15, n. 4, p. 351, doi. 10.1007/s40268-015-0110-z

By:

Odongo, Charles O.;
Bisaso, Kuteesa R.;
Ntale, Muhammad;
Odia, Gordon;
Ojara, Francis W.;
Byamugisha, Josaphat;
Mukonzo, Jackson K.;
Obua, Celestino

Publication type:

Article

Burden of Placental Malaria among Pregnant Women Who Use or Do Not Use Intermittent Preventive Treatment at Mulago Hospital, Kampala.

Published in:

Malaria Research & Treatment, 2016, p. 1, doi. 10.1155/2016/1839795

By:

Odongo, Charles Okot;
Odida, Michael;
Wabinga, Henry;
Obua, Celestino;
Byamugisha, Josaphat

Publication type:

Article

A qualitative study of the perspectives of health workers and policy makers on external support provided to low-level private health facilities in a Ugandan rural district, in management of childhood infections.

Published in:

Global Health Action, 2021, v. 14, n. 1, p. 1, doi. 10.1080/16549716.2021.1961398

By:

Mwanga-Amumpaire, Juliet;
Kalyango, Joan N.;
Källander, Karin;
Sundararajan, Radhika;
Owokuhaisa, Judith;
Rujumba, Joseph;
Obua, Celestino;
Alfvén, Tobias;
Ndeezi, Grace

Publication type:

Article

Improving adherence to antiretroviral treatment in Uganda with a low-resource facility-based intervention.

Published in:

Global Health Action, 2014, v. 7, n. 1, p. 1, doi. 10.3402/gha.v7.24198

By:

Obua, Celestino;
Kayiwa, Joshua;
Waako, Paul;
Tomson, Göran;
Balidawa, Hudson;
Chalker, John;
Ross-Degnan, Dennis;
Wahlstrom, Rolf

Publication type:

Article

Measuring Post-Partum Haemorrhage in Low-Resource Settings: The Diagnostic Validity of Weighed Blood Loss versus Quantitative Changes in Hemoglobin.

Published in:

PLoS ONE, 2016, v. 11, n. 4, p. 1, doi. 10.1371/journal.pone.0152408

By:

Atukunda, Esther Cathyln;
Mugyenyi, Godfrey Rwambuka;
Obua, Celestino;
Atuhumuza, Elly Bronney;
Musinguzi, Nicholas;
Tornes, Yarine Fajardo;
Agaba, Amon Ganaafa;
Siedner, Mark Jacob

Publication type:

Article

Prevalence of K13-propeller gene polymorphisms among Plasmodium falciparum parasites isolated from adult symptomatic patients in northern Uganda.

Published in:

2016

By:

Ocan, Moses;
Bwanga, Freddie;
Okeng, Alfred;
Katabazi, Fred;
Kigozi, Edgar;
Kyobe, Samuel;
Ogwal-Okeng, Jasper;
Obua, Celestino

Publication type:

journal article

Coping strategies, challenges and potential interventions among adult patients with HIV and mental illness comorbidity in southwestern Uganda.

Published in:

Global Public Health, 2024, v. 19, n. 1, p. 1, doi. 10.1080/17441692.2024.2372802

By:

Katugume, Prosper;
Namukowa, John Bosco;
Nankunda, Oliver;
Muhwezi, Trevor James;
Namaseruka, Ruth;
Wakida, Edith K.;
Obua, Celestino;
Kakongi, Nathan

Publication type:

Article

Sub‐ and supratherapeutic efavirenz plasma concentrations with risk for HIV therapy failure are mainly genetically explained in Ugandan children: The prospective GENEFA cohort study.

Published in:

British Journal of Clinical Pharmacology, 2025, v. 91, n. 2, p. 464, doi. 10.1111/bcp.16272

By:

Soeria‐Atmadja, Sandra;
Amuge, Pauline;
Nanzigu, Sarah;
Bbuye, Dickson;
Eriksen, Jaran;
Rubin, Johanna;
Kekitiinwa, Adeodata;
Obua, Celestino;
Dahl, Marja‐Liisa;
Pettersson Bergstrand, Madeleine;
Pohanka, Anton;
Gustafsson, Lars L.;
Navér, Lars

Publication type:

Article

Barriers and Facilitators to Utilization of Community Drug Distribution Points Among People Living with HIV in Bushenyi District, South-Western Uganda: A Qualitative Study.

Published in:

HIV/AIDS - Research & Palliative Care, 2023, v. 15, p. 633, doi. 10.2147/HIV.S422040

By:

Oyet, David;
Niyonzima, Vallence;
Akol, Gideon;
Onyait, Emmanuel;
Twinomugisha, Daphine;
Wambera, Doreen Kawala;
Wakida, Edith K;
Obua, Celestino

Publication type:

Article

Structured and sustained family planning support facilitates effective use of postpartum contraception amongst women living with HIV in South Western Uganda: A randomized controlled trial.

Published in:

Journal of Global Health, 2021, v. 11, p. 1, doi. 10.7189/jogh.11.04034

By:

Atukunda, Esther C.;
Mugyenyi, Godfrey R.;
Musiimenta, Angella;
Kaida, Angela;
Atuhumuza, Elly B.;
Lukyamuzi, Edward J.;
Agaba, Amon G.;
Obua, Celestino;
Matthews, Lynn T.

Publication type:

Article

Off-label antibiotic use among paediatric in-patients: a mixed-method prospective study at a tertiary hospital in southwestern Uganda.

Published in:

International Journal of Clinical Pharmacy, 2021, v. 43, n. 3, p. 637, doi. 10.1007/s11096-020-01175-1

By:

Obura, Bonniface;
Alele, Paul E.;
Obua, Celestino

Publication type:

Article

Plasma Drug Level Validates Self-Reported Adherence but Predicts Limited Specificity for Nonadherence to Antiretroviral Therapy.

Published in:

ISRN Pharmacology, 2012, p. 1, doi. 10.5402/2012/274978

By:

Balikuddembe, Robert;
Kayiwa, Joshua;
Musoke, David;
Ntale, Muhammad;
Baveewo, Steven;
Waako, Paul;
Obua, Celestino

Publication type:

Article

Barriers and facilitators to the utilization of the intensive adherence counselling framework by healthcare providers in Uganda: a qualitative study.

Published in:

2022

By:

Musinguzi, Pius;
Najjuma, Josephine Nambi;
Arishaba, Adellah;
Ochen, Eric;
Ainembabazi, Racheal;
Keizirege, Fred;
Sabano, Racheal Lillian;
Wakida, Edith K.;
Obua, Celestino

Publication type:

journal article

Caregiver's perspectives on the Central Nervous System infection illness trajectory among older persons with dementia in Northern Uganda-a qualitative community-based study.

Published in:

2022

By:

Benyumiza, Deo;
Kumakech, Edward;
Gutu, Jastine;
Banihani, Jude;
Mandap, Joshua;
Talib, Zohray M.;
Wakida, Edith K.;
Maling, Samuel;
Obua, Celestino

Publication type:

journal article

CYP2D6 genetic variation in Ugandans.

Published in:

2022

By:

Miura, Jun;
Obua, Celestino;
Abbo, Catherine;
Tateishi, Tomonori;
Kaneko, Sunao

Publication type:

Letter to the Editor

Caregiving burden and mental health problems among family caregivers of people with dementia in rural Uganda.

Published in:

Cambridge Prisms: Global Mental Health, 2020, v. 7, p. 1, doi. 10.1017/gmh.2020.7

By:

Ainamani, Herbert E.;
Alele, Paul E.;
Rukundo, Godfrey Z.;
Maling, Samuel;
Wakida, Edith K.;
Obua, Celestino;
Tsai, Alexander C.

Publication type:

Article

Impact of an educational intervention on WHO surgical safety checklist and pre-operative antibiotic use at a referral hospital in southwestern Uganda.

Published in:

2021

By:

Ngonzi, Joseph;
Bebell, Lisa m;
Boatin, Adline a;
Owaraganise, Aspihas;
Tiibajuka, Leevan;
Fajardo, Yarine;
Lugobe, Henry mark;
Wylie, Blair j;
Jacquemyn, Yves;
Obua, Celestino;
Haberer, Jessica e;
Geertruyden, Jean-pierre van

Publication type:

journal article

Prevalence and predictors of prior antibacterial use among patients presenting to hospitals in Northern Uganda.

Published in:

BMC Pharmacology & Toxicology, 2015, v. 16, n. 1, p. 1, doi. 10.1186/s40360-015-0027-8

By:

Ocan, Moses;
Manabe, Yukari C.;
Baluku, Hannington;
Atukwase, Esther;
Ogwal-Okeng, Jasper;
Obua, Celestino

Publication type:

Article

Suicide and Suicide Attempts Among Patients Attending Primary Health Care Facilities in Uganda: A Medical Records Review.

Published in:

Risk Management & Healthcare Policy, 2022, v. 15, p. 703, doi. 10.2147/RMHP.S358187

By:

Kaggwa, Mark Mohan;
Rukundo, Godfrey Zari;
Wakida, Edith K;
Maling, Samuel;
Sserumaga, Baker Makaya;
Atim, Letizia Maria;
Obua, Celestino

Publication type:

Article

Peer counselors' role in supporting patients' adherence to ART in Ethiopia and Uganda.

Published in:

AIDS Care, 2011, v. 23, n. 6, p. 657, doi. 10.1080/09540121.2010.532531

By:

Gusdal, AnnelieK.;
Obua, Celestino;
Andualem, Tenaw;
Wahlström, Rolf;
Chalker, John;
Fochsen, Grethe;
on behalf of the INRUD-IAA project

Publication type:

Article

Voices on adherence to ART in Ethiopia and Uganda: a matter of choice or simply not an option?

Published in:

AIDS Care, 2009, v. 21, n. 11, p. 1381, doi. 10.1080/09540120902883119

By:

Gusdal, AnnelieK.;
Obua, Celestino;
Andualem, Tenaw;
Wahlström, Rolf;
Tomson, Göran;
Peterson, Stefan;
Ekström, AnnaMia;
Thorson, Anna;
Chalker, John;
Fochsen, Grethe;
on behalf of the INRUD-IAA project

Publication type:

Article

Artemisia Annua L. Infusion Consumed Once a Week Reduces Risk of Multiple Episodes of Malaria: A Randomised Trial in a Ugandan Community.

Published in:

Tropical Journal of Pharmaceutical Research, 2012, v. 11, n. 3, p. 445, doi. 10.4314/tjpr.v11i3.14

By:

Ogwang, Patrick E.;
Ogwal, Jasper O.;
Kasasa, Simon;
Olila, Deogratius;
Ejobi, Francis;
Kabasa, David;
Obua, Celestino

Publication type:

Article

Is there a distinction between malaria treatment and intermittent preventive treatment? Insights from a cross-sectional study of anti-malarial drug use among Ugandan pregnant women.

Published in:

Malaria Journal, 2015, v. 14, n. 1, p. 1, doi. 10.1186/s12936-015-0702-7

By:

Odongo, Charles O.;
Bisaso, Kuteesa R.;
Kitutu, Freddy;
Obua, Celestino;
Byamugisha, Josaphat

Publication type:

Article

Intermittent use of sulphadoxine-pyrimethamine for malaria prevention: a cross-sectional study of knowledge and practices among Ugandan women attending an urban antenatal clinic.

Published in:

Malaria Journal, 2014, v. 13, n. 1, p. 399, doi. 10.1186/1475-2875-13-399

By:

Odongo, Charles O.;
Bisaso, Ronald K.;
Byamugisha, Josaphat;
Obua, Celestino

Publication type:

Article

Pharmacokinetics and pharmacodynamics of intravenous artesunate during severe malaria treatment in Ugandan adults.

Published in:

Malaria Journal, 2012, v. 11, n. 1, p. 132, doi. 10.1186/1475-2875-11-132

By:

Byakika-Kibwika, Pauline;
Lamorde, Mohammed;
Mayito, Jonathan;
Nabukeera, Lillian;
Mayanja-Kizza, Harriet;
Katabira, Elly;
Hanpithakpong, Warunee;
Obua, Celestino;
Pakker, Nadine;
Lindegardh, Niklas;
Tarning, Joel;
de Vries, Peter J.;
Merry, Concepta

Publication type:

Article

Field-adapted sampling of whole blood to determine the levels of amodiaquine and its metabolite in children with uncomplicated malaria treated with amodiaquine plus artesunate combination.

Published in:

Malaria Journal, 2009, v. 8, p. 1, doi. 10.1186/1475-2875-8-52

By:

Ntale, Muhammad;
Obua, Celestino;
Mukonzo, Jackson;
Mahindi, Margarita;
Gustafsson, Lars L.;
Beck, Olof;
Ogwal-Okeng, Jasper W.

Publication type:

Article

Evaluating the Feasibility, Acceptability, and Preliminary Efficacy of SupportMoms-Uganda, an mHealth-Based Patient-Centered Social Support Intervention to Improve the Use of Maternity Services Among Pregnant Women in Rural Southwestern Uganda: Randomized Controlled Trial

Published in:

JMIR Formative Research, 2023, v. 7, n. 1, p. 1, doi. 10.2196/36619

By:

Atukunda, Esther C;
Siedner, Mark J;
Obua, Celestino;
Musiimenta, Angella;
Ware, Norma C;
Mugisha, Samuel;
Najjuma, Josephine N;
Mugyenyi, Godfrey R;
Matthews, Lynn T

Publication type:

Article

mHealth-Based Health Promotion Intervention to Improve Use of Maternity Care Services Among Women in Rural Southwestern Uganda: Iterative Development Study.

Published in:

JMIR Formative Research, 2021, v. 5, n. 11, p. 1, doi. 10.2196/29214

By:

Atukunda, Esther Cathyln;
Matthews, Lynn T.;
Musiimenta, Angella;
Mugyenyi, Godfrey Rwambuka;
Mugisha, Samuel;
Ware, Norma C.;
Obua, Celestino;
Siedner, Mark J.

Publication type:

Article

A Qualitative Exploration of the Referral Process of Children with Common Infections from Private Low-Level Health Facilities in Western Uganda.

Published in:

Children, 2021, v. 8, n. 11, p. 1, doi. 10.3390/children8110996

By:

Mwanga-Amumpaire, Juliet;
Kalyango, Joan Nakayaga;
Ndeezi, Grace;
Rujumba, Joseph;
Owokuhaisa, Judith;
Lundborg, Cecilia Stålsby;
Alfvén, Tobias;
Obua, Celestino;
Källander, Karin

Publication type:

Article

Perceptions of Undergraduates and Mentors on the Appropriateness, Acceptability, and Feasibility of the HEPI-TUITAH Micro-Research Approach to HIV Training in Uganda.

Published in:

Advances in Medical Education & Practice, 2022, v. 13, p. 323, doi. 10.2147/AMEP.S359777

By:

Wakida, Edith K;
Rukundo, Godfrey Z;
Atuhaire, Clara;
Karungi, Christine K;
Kumakech, Edward;
Haberer, Jessica E;
Talib, Zohray M;
Obua, Celestino

Publication type:

Article

Mbarara University Research Training Initiative: Experiences and Accomplishments of the MEPI Junior D43 TW010128 Award in Uganda.

Published in:

Advances in Medical Education & Practice, 2021, v. 12, p. 1397, doi. 10.2147/AMEP.S339752

By:

Wakida, Edith K;
Atuhaire, Clara D;
Karungi, Christine K;
Maling, Samuel;
Obua, Celestino

Publication type:

Article