Panu Punnarak. 2004. Reclaimed tire rubber and polyolefin blends. Field of Study Petrochemistry, Chulalongkorn University;
Panu Punnarak. (2004) Reclaimed tire rubber and polyolefin blends . Chulalongkorn University/Bangkok.
Panu Punnarak. Reclaimed tire rubber and polyolefin blends. . Bangkok:Chulalongkorn University, 2004.
Panu Punnarak. (2004) Reclaimed tire rubber and polyolefin blends . Chulalongkorn University/Bangkok.