R. Muhammad, and N.I. Lawal. “Improvisation: An Alternative Approach to Solving the Problem of Ill-Equipped Biology and Agricultural Science Laboratories in Senior Secondary Schools, Nigeria”. Pure and Applied Science Advances 4, no. 4 (April 29, 2015): 105-112. Accessed February 24, 2025. http://sjournals.com/index.php/sjpas/article/view/460.