Kiroh, Firdaus, and Maureen De Silva. “PROGRAM PEMBINAAN JALAN RAYA HUMPHREYS, 1928-1936”. Jurnal Borneo Arkhailogia (Heritage, Archaeology and History) 3, no. 2 (December 31, 2018). Accessed May 2, 2024. https://jurcon.ums.edu.my/ojums/index.php/JBA/article/view/1621.