Songsak Roekring. (2000) Isolation, analysis, and expression of cephalosporin C deacetylase gene from Bacillus cereus strain BT-24. Mahidol University,:ม.ป.ท.Songsak Roekring. 2000. Isolation, analysis, and expression of cephalosporin C deacetylase gene from Bacillus cereus strain BT-24. ม.ป.ท.:Mahidol University,;Songsak Roekring. Isolation, analysis, and expression of cephalosporin C deacetylase gene from Bacillus cereus strain BT-24. ม.ป.ท.:Mahidol University, 2000. Print.