SILABAN, P. J.; SIMAMORA, R. H.; LUBIS, N. C. P. S.; SIBURIAN, E. S. B.; HUTAGALUNG, B. Y. Sosialisasi Alat Peraga Jam di UPT SDN 064986 Medan Amplas. Jurnal Pengabdian Masyarakat Bangsa, [S. l.], v. 2, n. 1, p. 6–9, 2024. DOI: 10.59837/jpmba.v2i1.151. Disponível em: https://jurnalpengabdianmasyarakatbangsa.com/index.php/jpmba/article/view/151. Acesso em: 3 may. 2026.