Pongsathorn Wongwaiwattanakul และ Bunjerd Jongsomjit. (2007) Effect of bimodal silica-alumina-supported metallocene catalyst for ethylene/α-olefin copolymerization. Chulalongkorn University:ม.ป.ท.Pongsathorn Wongwaiwattanakul และ Bunjerd Jongsomjit. 2007. Effect of bimodal silica-alumina-supported metallocene catalyst for ethylene/α-olefin copolymerization. ม.ป.ท.:Chulalongkorn University;Pongsathorn Wongwaiwattanakul และ Bunjerd Jongsomjit. Effect of bimodal silica-alumina-supported metallocene catalyst for ethylene/α-olefin copolymerization. ม.ป.ท.:Chulalongkorn University, 2007. Print.