Thanyathon Niyomthai และผู้แต่งคนอื่นๆ. (2016) Effect of hydrogen on Ziegler - Natta catalysts prepared by different methods for ethylene polymerization. Chulalongkorn University:ม.ป.ท.Thanyathon Niyomthai และผู้แต่งคนอื่นๆ. 2016. Effect of hydrogen on Ziegler - Natta catalysts prepared by different methods for ethylene polymerization. ม.ป.ท.:Chulalongkorn University;Thanyathon Niyomthai และผู้แต่งคนอื่นๆ. Effect of hydrogen on Ziegler - Natta catalysts prepared by different methods for ethylene polymerization. ม.ป.ท.:Chulalongkorn University, 2016. Print.