Yoni, E., and Mezia Kemala Sari. “The Malay Diplomatic Register in Correspondence: The Case Study of Bilateral Relations Between Indonesia and Brunei”. Edumaspul: Jurnal Pendidikan, vol. 10, no. 1, June 2026, pp. 440-51, http://jurnal2.unimen.ac.id/index.php/edumaspul/article/view/258.