Soloi, Sabrina, and Azrad Usman. “Palm Oil Based Water-Resistant Coating Using Pre-Polymer Method”. Journal of Science and Technology 13, no. 2 (December 2, 2021): 1–7. Accessed July 18, 2024. https://publisher.uthm.edu.my/ojs/index.php/JST/article/view/8776.