GUMARANG JR., Bernardo K.; GUMARANG , Brigitte K. Unraveling Deterioration in the Quality of Philippine Education. International Journal of Multidisciplinary: Applied Business and Education Research, Malang, Indonesia, v. 2, n. 10, p. 914–917, 2021. DOI: 10.11594/ijmaber.02.10.08. Disponível em: https://ijmaberjournal.org/index.php/ijmaber/article/view/202.. Acesso em: 6 jul. 2025.