Ogbuze, C. O., and J. N. Okoli. “Extent of Use of Practical Works by Biology Teachers in Public Secondary Schools in Anambra State, Nigeria”. UNIZIK Journal of STM Education 3, no. 2 (November 21, 2020): 168–181. Accessed April 19, 2024. https://journals.unizik.edu.ng/jstme/article/view/516.