Silaban PJ, Manurung M, Sembiring NNB, Silitonga LN, Ginting IKB, Sembiring BPB, Sitepu PSB. Sosialisasi Alat Peraga Pembelajaran Simetri Putar di UPT SD Negeri 064036 Medan Kota. Jurnal Pengabdian Masyarakat Bangsa [Internet]. 2023 Aug. 11 [cited 2026 Aug. 9];1(6):651-4. Available from: https://jurnalpengabdianmasyarakatbangsa.com/index.php/jpmba/article/view/101