Pattaree Vongpaisal และผู้แต่งคนอื่นๆ. (1996) Effect of physical aging on tensile creep of polystyrene and poly (2,6-dimethyl-1,4-phenylene oxide) blends. Chulalongkorn University.:ม.ป.ท.Pattaree Vongpaisal และผู้แต่งคนอื่นๆ. 1996. Effect of physical aging on tensile creep of polystyrene and poly (2,6-dimethyl-1,4-phenylene oxide) blends. ม.ป.ท.:Chulalongkorn University.;Pattaree Vongpaisal และผู้แต่งคนอื่นๆ. Effect of physical aging on tensile creep of polystyrene and poly (2,6-dimethyl-1,4-phenylene oxide) blends. ม.ป.ท.:Chulalongkorn University. 1996. Print.