PARDEDE, H.; GINTING, R.; HUTAHAEAN, A. Y. W.; MANURUNG, D.; SIMARMATA, P. S.; GURNING, S. Bimbingan Belajar Gratis Di SD Negeri No. 105274 Tanjung Gusta. Jurnal Abdimas Mutiara, [S. l.], v. 3, n. 2, p. 39–43, 2022. Disponível em: https://e-journal.sari-mutiara.ac.id/index.php/JAM/article/view/3089. Acesso em: 30 jan. 2026.