Arunsri Sritanaitipol. (1994) Characterization of penicillin G acylase from Bacillus subtilis (pBA401). Mahidol University,:ม.ป.ท.Arunsri Sritanaitipol. 1994. Characterization of penicillin G acylase from Bacillus subtilis (pBA401). ม.ป.ท.:Mahidol University,;Arunsri Sritanaitipol. Characterization of penicillin G acylase from Bacillus subtilis (pBA401). ม.ป.ท.:Mahidol University, 1994. Print.