Firmanti, Pipit, and Fauzi Yuberta. “Changes in the Mathematics Learning Process During the Covid-19 Pandemic at Junior High School in Bukittinggi”. Jurnal Educative: Journal of Educational Studies 6, no. 1 (July 31, 2021): 48–59. Accessed February 19, 2026. https://ejournal.uinbukittinggi.ac.id/index.php/educative/article/view/4459.