Silaban PJ, ringo FRS, Manurung F, Tarigan NM, Siregar H, Simatupang O. Sosialisasi Alat Peraga Papan Pintar Berhitung di UPT SDN 066650 Medan Kota. Jurnal Pengabdian Masyarakat Bangsa [Internet]. 2023 Aug. 11 [cited 2026 Aug. 9];1(6):631-4. Available from: https://jurnalpengabdianmasyarakatbangsa.com/index.php/jpmba/article/view/97