“Warkah Sultan Ibrahim 1785-1794: Cerminan Politik Dan Ekonomi Selangor Pada Hujung Abad Ke-18: (Letters from Sultan Ibrahim 1785-1794: Selangor Political and Economic Reflections at the End of 18th Century)”. 2019. Melayu:Jurnal Antarabangsa Dunia Melayu 12 (2): 181-205. https://dev.dbp.my/index.php/Melayu/article/view/4342.