Mohamed Berawi, Fuad. “Respons Penawaran Pengeluar Minyak Sawit Malaysia: Model Harga Jangkaan”. International Journal of Management Studies 11, no. 1 (June 5, 2004): 145–164. Accessed May 4, 2024. https://e-journal.uum.edu.my/index.php/ijms/article/view/9167.