MATAMMU, C. Echoes of Change: Tracing Phonological Shifts in the Ibanag Language. International Journal of Arts, Sciences and Education, [S. l.], v. 5, n. 3, p. 41–57, 2024. Disponível em: http://mail.ijase.org/index.php/ijase/article/view/376. Acesso em: 8 oct. 2025.