Umaporn Pongphuntharak. 2000. Catalytic coprocessing of low density polyethylene with lignite using Ni-Mo on alumina. Department of Petrochemical and Polymer Soience, Chulalongkorn University;
Umaporn Pongphuntharak. (2000) Catalytic coprocessing of low density polyethylene with lignite using Ni-Mo on alumina . Chulalongkorn University/Bangkok.
Umaporn Pongphuntharak. Catalytic coprocessing of low density polyethylene with lignite using Ni-Mo on alumina. . Bangkok:Chulalongkorn University, 2000.
Umaporn Pongphuntharak. (2000) Catalytic coprocessing of low density polyethylene with lignite using Ni-Mo on alumina . Chulalongkorn University/Bangkok.