MARTIN, Matronillo Del Mundo; TUGGUIN, Frazel May Bonesto. An Extra-curricular activities extension in public elementary schools. Management Research Journal, [S. l.], v. 9, n. 1, p. 40–50, 2020. DOI: 10.37134/mrj.vol9.1.4.2020. Disponível em: https://ejournal.upsi.edu.my/index.php/MRJ/article/view/2997. Acesso em: 13 may. 2025.