Sittichoke Tabthong และ Pinmpa Hormnirum. (2015) Aluminum compleses supported Bis (pyrrolidene) schiff-base and salan ligands for the ring-opening polymerization of lactides and e-caprolactone. Kasetsart University:ม.ป.ท.Sittichoke Tabthong และ Pinmpa Hormnirum. 2015. Aluminum compleses supported Bis (pyrrolidene) schiff-base and salan ligands for the ring-opening polymerization of lactides and e-caprolactone. ม.ป.ท.:Kasetsart University;Sittichoke Tabthong และ Pinmpa Hormnirum. Aluminum compleses supported Bis (pyrrolidene) schiff-base and salan ligands for the ring-opening polymerization of lactides and e-caprolactone. ม.ป.ท.:Kasetsart University, 2015. Print.