SILABAN, P. J.; TARIGAN, H. M.; SINURAT, T. L.; TARIGAN, N. B.; TAFONAO, R. P. Sosialisasi Alat Peraga Bilangan Bulat Petak Pintar UPT SDN 067244 Medan. Jurnal Pengabdian Masyarakat Bangsa, [S. l.], v. 1, n. 9, p. 1802–1805, 2023. DOI: 10.59837/jpmba.v1i9.138. Disponível em: https://jurnalpengabdianmasyarakatbangsa.com/index.php/jpmba/article/view/138. Acesso em: 25 may. 2026.