Nazarudin, N., Ishak, P. M. and Afrida, A. (2022) “Catalytic Cracking of Plastic Waste Polypropylene for Gasoline Production Using H-USY and Cr-USY : Catalytic Cracking of Polypropylene ”, Jurnal Bio-Geo Material Dan Energi, 2(2). doi: 10.22437/bigme.v2i2.31969.