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: Jurnal Antarabangsa Dunia Melayu, [S. l.], v. 12, n. 2, p. 181–205, 2019. Disponível em: https://dev.dbp.my/index.php/Melayu/article/view/4342. Acesso em: 11 jun. 2026.