Sumittra Samingprai. 2003. Blending poly (vinyl chloride) with used rubber tire. Field of Study Petrochemistry and Polymer Science, Chulalongkorn University;
Sumittra Samingprai. (2003) Blending poly (vinyl chloride) with used rubber tire . Chulalongkorn University/Bangkok.
Sumittra Samingprai. Blending poly (vinyl chloride) with used rubber tire. . Bangkok:Chulalongkorn University, 2003.
Sumittra Samingprai. (2003) Blending poly (vinyl chloride) with used rubber tire . Chulalongkorn University/Bangkok.