Silaban PJ, Sitepu I, Ginting N, Surbakti SAB, Pangaribuan D, Gaol RWL. Sosialisasi Alat Peraga Satuan Panjang di UPT SD Negeri 064026 Medan Tuntungan . Jurnal Pengabdian Masyarakat Bangsa [Internet]. 2023 Jul. 12 [cited 2026 Apr. 21];1(5):203-7. Available from: https://jurnalpengabdianmasyarakatbangsa.com/index.php/jpmba/article/view/92