SIBURIAN, Repaldo; SIREGAR, Hairani. Meningkatkan Semangat Belajar Matematika kepada Anak Panti Asuhan Pintu Harapan Medan Demi Masa Depan. Jurnal Pengabdian Masyarakat, [S. l.], v. 3, n. 2, p. 272–282, 2022. DOI: 10.32815/jpm.v3i2.1098. Disponível em: https://jurnal.stie.asia.ac.id/index.php/jpm/article/view/1098. Acesso em: 5 nov. 2024.