Niwat Athiwattananont และผู้แต่งคนอื่นๆ. (1998) Catalyst development for polyethylene synthesis : effect of chlorinated compounds on Ziegler catalyst. Chulalongkorn University:ม.ป.ท.Niwat Athiwattananont และผู้แต่งคนอื่นๆ. 1998. Catalyst development for polyethylene synthesis : effect of chlorinated compounds on Ziegler catalyst. ม.ป.ท.:Chulalongkorn University;Niwat Athiwattananont และผู้แต่งคนอื่นๆ. Catalyst development for polyethylene synthesis : effect of chlorinated compounds on Ziegler catalyst. ม.ป.ท.:Chulalongkorn University, 1998. Print.