Yusuf, H. A., and A. R. Lanre. “TEACHERS’ PROFESSIONAL DEVELOPMENT IN KWARA STATE BASIC SCHOOLS: IMPLICATION ON INTERNAL EFFICIENCY”. Proceedings of The ICECRS, Vol. 1, no. 1, Oct. 2016, p. picecrs.v1i1.643, doi:10.21070/picecrs.v1i1.643.