[1]
D. Rachmadena, M. Faizal, and M. Said, “Conversion of Polypropylene Plastic Waste Into Liquid Fuel with Catalytic Cracking Process Using Al2O3 as Catalyst”, Int. J. Adv. Sci. Eng. Inf. Technol., vol. 8, no. 3, pp. 694–700, Jun. 2018.