Rahma, A.F. et al. 2026. The Role of Islamic Kingdoms in the Islamization of the Nusantara: A Literature Study of Samudera Pasai, Aceh, and Mataram. Journal of Indonesian Islamic Studies. 5, 2 (Apr. 2026), 87–94. DOI:https://doi.org/10.24256/jiis.v5i2.10247.