YOVITA DIVA HAPSARI; MELINA RAHAYU NENGSIH; DIANA ERMAWATI. Improving the Understanding of the Concept of Multiplication and Division With the Aid of Kalgi Pintar Media for Students of Grade II of SD 4 Karangbener. Amandemen: Journal of Learning, Teaching and Educational Studies, [S. l.], v. 2, n. 2, p. 139–153, 2024. DOI: 10.61166/amd.v2i2.71. Disponível em: https://amandemen.my.id/index.php/i/article/view/71. Acesso em: 26 oct. 2025.