The Efficacy of Aqueous False Yam (Icacina Oliviformis) Tuber Extract Against Cowpea Aphids (Aphis Craccivora Koch).Published in:Journal of Young Investigators, 2017, v. 32, n. 4, p. 22, doi. 10.22186/jyi.32.4.22-24By:Alale, Theophilus Yaw;Opoku, Nelson;Adarkwah, CharlesPublication type:Article