Akpan, E. T. and Obafemi, D. T. A. (2023) “PhET manipulative instruction and students’ performance in quadratic graphs in Uyo Metropolis, Akwa Ibom State”, Faculty of Natural and Applied Sciences Journal of Mathematics, and Science Education, 4(2), pp. 26–34. Available at: https://fnasjournals.com/index.php/FNAS-JMSE/article/view/154 (Accessed: 22 December 2024).