Marwani, Marwani, and Muhammad David Trifarizy. “THE PYROLYSIS OF HIGH-DENSITY POLYETHYLENE (HDPE) AND POLYPROPYLENE (PP) PLASTIC WASTE BLEND”. Indonesian Journal of Engineering and Science 5, no. 1 (April 7, 2024): 029–034. Accessed October 10, 2025. http://aps.or.id/journal/index.php/ijes/article/view/104.