SINURAT, F. M. I. . Pengaruh kondisi keluarga dan kedisiplinan siswa terhadap prestasi belajar matematika. Indonesian Journal of Educational Development (IJED), [S. l.], v. 2, n. 1, p. 130–137, 2021. DOI: 10.5281/zenodo.4781872. Disponível em: https://ojs.mahadewa.ac.id/index.php/ijed/article/view/1141. Acesso em: 21 aug. 2025.