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. 2019;12(2):181-205. Accessed July 9, 2026. https://jurnal.dbp.my/index.php/Melayu/article/view/4342