Jong, R. P., M. I. A. Shayuri, A. Yassin, and A. M. N. A. Kamaruddin. “Thermal Performance Evaluation of a Small-Scale Drying Machine for Palm Oil Mill Sludge”. International Journal of Integrated Engineering 15, no. 5 (October 19, 2023): 6–12. Accessed July 23, 2024. https://penerbit.uthm.edu.my/ojs/index.php/ijie/article/view/14049.