SILABAN, P. J.; SINAGA, P.; NGADA, A.; RUMAPEA, K.; SIMARMATA, A. Sosialisasi Alat Peraga Perkalian Pintar Matematika di SD Negeri 064986 Medan Amplas. Jurnal Pengabdian Masyarakat Bangsa, [S. l.], v. 2, n. 1, p. 38–41, 2024. DOI: 10.59837/jpmba.v2i1.159. Disponível em: https://jurnalpengabdianmasyarakatbangsa.com/index.php/jpmba/article/view/159. Acesso em: 21 sep. 2026.