Nazarrudin, Rizal, and Harwin Saptoadi. “The Effect of Microwave Oven Power Variations on Co-Pyrolysis Process of Oil Palm Shells and Polystyrene: Pengaruh Variasi Daya Microwave Oven Terhadap Proses Co-Pirolisis Cangkang Kelapa Sawit Dan Polistirena ”. Procedia of Social Sciences and Humanities 3 (May 31, 2022): 34-40. Accessed August 16, 2022. https://pssh.umsida.ac.id/index.php/pssh/article/view/193.