BUA, J. D.; MARTIN, M. D. M. Handling multi-grade teaching: It’s educational implication towards teachers’ competence. Management Research Journal, [S. l.], v. 9, n. 2, p. 1–12, 2020. Disponível em: https://ejournal.upsi.edu.my/index.php/MRJ/article/view/3494. Acesso em: 29 apr. 2024.