Sunaryo, Suyitno, Z. Arifin, and M. Setiyo. “High Yield Oil from Catalytic Pyrolysis of Polyethylene Terephthalate Using Natural Zeolite: A Review”. Applied Science and Engineering Progress, vol. 18, no. 3, July 2025, p. 7673, doi:10.14416/j.asep.2025.01.001.