Balarabe S, M.A A, A.K R, H.B I. A Survey on teacher’s variables responsible for student poor academic performance in biology. A case study of Zaria educational zone of Kaduna state, Nigeria. Int J Innov Educ Res [Internet]. 2019 Jul. 1 [cited 2024 Jul. 22];7(7):513-27. Available from: https://scholarsjournal.net/index.php/ijier/article/view/1630