“Pyrolisis System Terhadap Sampah Plastik Polyprophylene (PP) Menjadi Bahan Bakar”. Science and Physics Education Journal (SPEJ 5, no. 2 (June 30, 2022): 55–60. Accessed January 11, 2026. https://journal.ipm2kpe.or.id/index.php/SPEJ/article/view/3786.