Ekkalak Ploydee และ Saipin Chaiyanan. (2013) Chitin and chitosan productions from shrimp shells, a sea food industrial waste, by biological processes. King Mongkut’s University of Technology Thonburi:ม.ป.ท.Ekkalak Ploydee และ Saipin Chaiyanan. 2013. Chitin and chitosan productions from shrimp shells, a sea food industrial waste, by biological processes. ม.ป.ท.:King Mongkut’s University of Technology Thonburi;Ekkalak Ploydee และ Saipin Chaiyanan. Chitin and chitosan productions from shrimp shells, a sea food industrial waste, by biological processes. ม.ป.ท.:King Mongkut’s University of Technology Thonburi, 2013. Print.