Sunarso, Ali. “Historiography of Indonesian Islam (Historical Analysis of the Transitional Era of Social and Political System in Java in the 15-16th Century and the Contribution of Javanese Kings in Islamization)”. IJISH (International Journal of Islamic Studies and Humanities) 1, no. 1 (April 7, 2018): 9–20. Accessed May 4, 2024. http://journal2.uad.ac.id/index.php/ijish/article/view/129.