Apanchanid Thepouyporn. (1999) Study of nucleotide sequence and expression of chitinase gene from Bacillus circulans No.4.1 in Escherichia coli. Mahidol University,:ม.ป.ท.Apanchanid Thepouyporn. 1999. Study of nucleotide sequence and expression of chitinase gene from Bacillus circulans No.4.1 in Escherichia coli. ม.ป.ท.:Mahidol University,;Apanchanid Thepouyporn. Study of nucleotide sequence and expression of chitinase gene from Bacillus circulans No.4.1 in Escherichia coli. ม.ป.ท.:Mahidol University, 1999. Print.