Chonlachat Jaihao และ Prasert Hanmoungjai. (2011) Screening and optimization of protease production by proteolytic bacteria for deproteinization of crab shell for green chitin production /. Chiang Mai University,:ม.ป.ท.Chonlachat Jaihao และ Prasert Hanmoungjai. 2011. Screening and optimization of protease production by proteolytic bacteria for deproteinization of crab shell for green chitin production /. ม.ป.ท.:Chiang Mai University,;Chonlachat Jaihao และ Prasert Hanmoungjai. Screening and optimization of protease production by proteolytic bacteria for deproteinization of crab shell for green chitin production /. ม.ป.ท.:Chiang Mai University, 2011. Print.