Wanphen Yamkunthong. (2000) Isolation and purification of the methyl parathion hydrolase enzyme from methyl parathion-degrading Pseudomonas sp. Mahidol University,:ม.ป.ท.Wanphen Yamkunthong. 2000. Isolation and purification of the methyl parathion hydrolase enzyme from methyl parathion-degrading Pseudomonas sp. ม.ป.ท.:Mahidol University,;Wanphen Yamkunthong. Isolation and purification of the methyl parathion hydrolase enzyme from methyl parathion-degrading Pseudomonas sp. ม.ป.ท.:Mahidol University, 2000. Print.