Silaban PJ, Girsang K, Tarigan EKB, Ginting MB, Hasibuan NS, Pardede BLC. Sosialisasi Alat Peraga Satuan Berat di SD Negeri Percobaan Pembina Medan Baru. Jurnal Pengabdian Masyarakat Bangsa [Internet]. 2023 Jul. 12 [cited 2026 Nov. 7];1(5):212-5. Available from: https://jurnalpengabdianmasyarakatbangsa.com/index.php/jpmba/article/view/94