Supanan Patthamasang และผู้แต่งคนอื่นๆ. (2011) Synthesis and characterization of ziegler-natta catalyst with various support systems. Chulalongkorn University:ม.ป.ท.Supanan Patthamasang และผู้แต่งคนอื่นๆ. 2011. Synthesis and characterization of ziegler-natta catalyst with various support systems. ม.ป.ท.:Chulalongkorn University;Supanan Patthamasang และผู้แต่งคนอื่นๆ. Synthesis and characterization of ziegler-natta catalyst with various support systems. ม.ป.ท.:Chulalongkorn University, 2011. Print.