DEVI FITRIYATI; ASYRIL, A.; RIZKI, N. A. Problems Of Mathematics Learning On The Alef Platform In Class VII MTs Negeri 4 Kutai Kartanegara. Educational Studies: Conference Series, [S. l.], v. 2, n. 2, p. 214–223, 2022. DOI: 10.30872/escs.v2i2.1558. Disponível em: https://jurnal.fkip.unmul.ac.id/index.php/escs/article/view/1558. Acesso em: 5 dec. 2025.