“Compatibility Study of Polystyrene and Poly Methyl-methacrylate Blends using FTIR and Viscometry Methods”, Commun. Phys. Sci, vol. 4, no. 2, pp. 81–86, Dec. 2019, Accessed: Jun. 15, 2026. [Online]. Available: https://journalcps.com/index.php/volumes/article/view/11