Purwanto, Muhammad Roy, Chusnul Chotimah, and Imam Mustofa. “Sultan Agung’s Thought of Javanis Islamic Calender and Its Implementation for Javanis Moslem”. International Journal of Emerging Trends in Social Sciences 4, no. 1 (October 3, 2018): 9–14. Accessed April 19, 2024. http://scipg.com/index.php/103/article/view/88.