Munang, Aswan, and Achmad Zaki Yamani. “Analysis of Composite Mechanical Strength from Waste Chicken Feather and Sawdust”. Journal of Energy, Mechanical, Material, and Manufacturing Engineering 6, no. 3 (December 19, 2021): 155–160. Accessed November 23, 2024. https://ejournal.umm.ac.id/index.php/JEMMME/article/view/15470.