The Authorities and Customary Practices of the Buayan Sultanates in the Philippines. International Journal of Multidisciplinary Research and Explorer, [S. l.], v. 1, n. 10, p. 92–104, 2021. Disponível em: https://ijmre.com/index.php/IJMRE/article/view/46. Acesso em: 1 aug. 2025.