Tipawan Pothirat และ Bunjerd Jongsomjit. (2007) Impact of zirconia modification on supported metallocene catalyst via ethylene/1-Octene coplymerization. Chulalongkorn University:ม.ป.ท.Tipawan Pothirat และ Bunjerd Jongsomjit. 2007. Impact of zirconia modification on supported metallocene catalyst via ethylene/1-Octene coplymerization. ม.ป.ท.:Chulalongkorn University;Tipawan Pothirat และ Bunjerd Jongsomjit. Impact of zirconia modification on supported metallocene catalyst via ethylene/1-Octene coplymerization. ม.ป.ท.:Chulalongkorn University, 2007. Print.