Amornrat Lertworasirikul และผู้แต่งคนอื่นๆ. (1999) Structurally controlled chitin derivatives by chemical modification approach : an application for insecticide controlled release. Chulalongkorn University:ม.ป.ท.Amornrat Lertworasirikul และผู้แต่งคนอื่นๆ. 1999. Structurally controlled chitin derivatives by chemical modification approach : an application for insecticide controlled release. ม.ป.ท.:Chulalongkorn University;Amornrat Lertworasirikul และผู้แต่งคนอื่นๆ. Structurally controlled chitin derivatives by chemical modification approach : an application for insecticide controlled release. ม.ป.ท.:Chulalongkorn University, 1999. Print.