“Comparative Study of Blends of Polyvinyl Chloride Poly Methyl-Methacrylate and Polystyrene Poly Methyl-Methacrylate Using Density, Viscometry and FTIR Methods”. 2020. Communication In Physical Sciences 5 (3): 299-314. https://journalcps.com/index.php/volumes/article/view/306.