Pardede H, Ginting R, Hutahaean AYW, Manurung D, Simarmata PS, Gurning S. Bimbingan Belajar Gratis Di SD Negeri No. 105274 Tanjung Gusta. JAM [Internet]. 2022 Aug. 5 [cited 2026 Jan. 30];3(2):39-43. Available from: https://e-journal.sari-mutiara.ac.id/index.php/JAM/article/view/3089