“Letters from Sultan Ibrahim 1785-1794: Selangor Political and Economic Reflections at the End of 18th Century: (Warkah Sultan Ibrahim 1785-1794: Cerminan Politik dan Ekonomi Selangor pada Hujung Abad ke-18)”, melayu, vol. 12, no. 2, pp. 181–205, Jul. 2019, Accessed: Jun. 11, 2026. [Online]. Available: https://dev.dbp.my/index.php/Melayu/article/view/4342