Muhammad Yusuf Nurfani. “ANALYSIS OF FLAME RETARDANT FOR COVER ELECTRICAL PLASTIC INJECTION USING MATERIAL POLYPROPYLENE”. International Journal Science and Technology 1, no. 1 (March 31, 2022): 47–54. Accessed March 10, 2025. https://journal.admi.or.id/index.php/IJST/article/view/136.