H. H. Deifalla, M., A. A., Y., Hassanien S. S., M., & Y.I. Elgady, I. (2025). Staged Catalytic Co-Pyrolysis of Polypropylene and High-Density Polyethylene: Optimizing Liquid Fuel Yield and Composition. Engineering And Technology Journal, 10(10), 7265–7273. https://doi.org/10.47191/etj/v10i10.06