Unique Attendance System with Group Marking of the Students Presence With a Time Saving Approach.Published in:Turkish Online Journal of Qualitative Inquiry, 2021, v. 12, n. 4, p. 2200By:Raji, L.;Maddula, Rahul;Saiteja, Pinupolu Ramanaiah;T. N., Akshay KumarPublication type:Article