Rodriguez., F, 1982, Principles of polymer systems .McGraw-Hill. Singapore .
Brydson's Plastics Materials, Eighth Edition.  Bridson ,j., 2016
 Auto chem Operatig Manual 2007.
 Freeguard, G. F., 1972, Rubber Modified Polystyrene: Structural Variation Induced During Pre-polymerization, 1-5.
 ASTM D1238-13, Standard Test Method for Melt Flow Rates of Thermoplastics by Extrusion Plastometer, ASTMInternational, West Conshohocken, PA, 2013.
 Nielsen, L. E, and Landel, R, F., 1994, Mechanical properties of polymers and composites. Second edition. Marcel Dekker. New York.
 ASTM D256-10e1. Standard Test Methods for Determining the Izod Pendulum Impact Resistance of Plastics, ASTM International, West Conshohocken, PA, 2010.
 Noskova, N.A., Yenalev, V.D, and Bulatova, V.M., 1985, The Mechanism of Phase Structure Formation in Ipmact-Resistant Polystyrene in the Initial Stage of Copolymerization of Styrene with Polybutadiene , 1-8.
 ASTM D1525-09, Standard Test Method for Vicat Softening Temperature of Plastics, ASTM International, West Conshohocken, PA, 2009.
 Khanh, T.Vu., 1998, Time – Temperature Dependence in Fracture Behavior of High Impact Polystyrene, 1-9.