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 September 21, 2026. https://talenta.usu.ac.id/jet/article/view/681.