Chatuma Suttivitnarubet และ Bunjerd Jongsomjit. (2012) Modification of cellulose-supported zirconocene catalyst with boron and gallium for ethylene copolymerization. Chulalongkorn University:ม.ป.ท.Chatuma Suttivitnarubet และ Bunjerd Jongsomjit. 2012. Modification of cellulose-supported zirconocene catalyst with boron and gallium for ethylene copolymerization. ม.ป.ท.:Chulalongkorn University;Chatuma Suttivitnarubet และ Bunjerd Jongsomjit. Modification of cellulose-supported zirconocene catalyst with boron and gallium for ethylene copolymerization. ม.ป.ท.:Chulalongkorn University, 2012. Print.