Nor Hasrinah Mohd Sahi, and Khairi Ariffin. “KOMODITI GETAH DI NEGERI-NEGERI MELAYU BERSEKUTU (NNMB), 1900-1941”. INTERNATIONAL JOURNAL OF HERITAGE, ART AND MULTIMEDIA (IJHAM) 3, no. 10 (July 18, 2024). Accessed July 15, 2025. https://gaexcellence.com/ijham/article/view/894.