Silaban PJ, Tarigan HM, Sinurat TL, Tarigan NB, Tafonao RP. Sosialisasi Alat Peraga Bilangan Bulat Petak Pintar UPT SDN 067244 Medan. Jurnal Pengabdian Masyarakat Bangsa [Internet]. 2023 Nov. 5 [cited 2026 May 25];1(9):1802-5. Available from: https://jurnalpengabdianmasyarakatbangsa.com/index.php/jpmba/article/view/138