AKPAN, E. T.; OBAFEMI, D. T. A. 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, [S. l.], v. 4, n. 2, p. 26–34, 2023. Disponível em: https://fnasjournals.com/index.php/FNAS-JMSE/article/view/154. Acesso em: 8 sep. 2024.