Nittaya Sudsong และ Piyasan Praserthdam. (2014) EFFECT OF TITANIUM CONTENT ON ZIEGLER-NATTA CATALYST PERFORMANCE. Chulalongkorn University:ม.ป.ท.Nittaya Sudsong และ Piyasan Praserthdam. 2014. EFFECT OF TITANIUM CONTENT ON ZIEGLER-NATTA CATALYST PERFORMANCE. ม.ป.ท.:Chulalongkorn University;Nittaya Sudsong และ Piyasan Praserthdam. EFFECT OF TITANIUM CONTENT ON ZIEGLER-NATTA CATALYST PERFORMANCE. ม.ป.ท.:Chulalongkorn University, 2014. Print.