MUSTOFA, Burhanudin. KEAKTIFAN SISWA DALAM PEMBELAJARAN MATEMATIKA. IEEJ: Islamic Elementary Education Journal, [S. l.], v. 1, n. 2, p. 79–88, 2022. DOI: 10.47454/ieej.v1i2.828. Disponível em: https://ejournal.staialanwar.ac.id/index.php/ieej/article/view/828. Acesso em: 4 sep. 2025.