“Analisis Pengaruh Temperatur Pirolisis terhadap Kualitas Bahan Bakar Minyak dari Limbah Plastik Polipropilena: (Analysis of Pyrolysis Temperature Effect on Fuel-Oil Quality from Polypropilene Plastict Waste)”, Gravitasi, vol. 19, no. 1, pp. 6–10, Jun. 2020, doi: 10.22487/gravitasi.v19i1.15177.