Patcharaporn Siwayaprahm. (1997) Purification and characterization of chitinase from Bacillus No.4.1. Mahidol University,:ม.ป.ท.Patcharaporn Siwayaprahm. 1997. Purification and characterization of chitinase from Bacillus No.4.1. ม.ป.ท.:Mahidol University,;Patcharaporn Siwayaprahm. Purification and characterization of chitinase from Bacillus No.4.1. ม.ป.ท.:Mahidol University, 1997. Print.