Nasution, Halimatuddahliana, Hanafi Ismail, and Ellsworth Ellsworth. “Rheological Properties of Polystyrene/Polypropylene (PS/PP) Blends: The Effects of Various Compatibilizers”. Simetrikal: Journal of Engineering and Technology 1, no. 1 (January 31, 2019): 1–11. Accessed August 26, 2025. https://talenta.usu.ac.id/jet/article/view/681.