Yusuf, Habibat Abubakar, and Abdulkareem Rasaq Lanre. 2016. “TEACHERS’ PROFESSIONAL DEVELOPMENT IN KWARA STATE BASIC SCHOOLS: IMPLICATION ON INTERNAL EFFICIENCY”. Proceedings of The ICECRS 1 (1), picecrs.v1i1.643. https://doi.org/10.21070/picecrs.v1i1.643.