From Metrics to Sustainability: Internationalization Practices of Higher Education Institutions in Northern Luzon, Philippines. Indonesian Journal of Education Research (IJoER), [S. l.], v. 7, n. 2, p. 154–165, 2026. DOI: 10.37251/ijoer.v7i2.2807. Disponível em: https://cahaya-ic.com/index.php/IJoER/article/view/2807. Acesso em: 8 jun. 2026.