FIRMANTI, Pipit; YUBERTA, Fauzi. Changes in the Mathematics Learning Process During the Covid-19 Pandemic at Junior High School in Bukittinggi. Jurnal Educative: Journal of Educational Studies, [S. l.], v. 6, n. 1, p. 48–59, 2021. DOI: 10.30983/educative.v6i1.4459. Disponível em: https://ejournal.uinbukittinggi.ac.id/index.php/educative/article/view/4459. Acesso em: 16 mar. 2026.