Thanida Vuthikulvanich และ Alisa Vangnai. (2006) Partial purification and characterization of polyethylene glycol/polylene glycol-degrading enzymes from Pseudomonas sp. PE-2. Chulalongkorn University:ม.ป.ท.Thanida Vuthikulvanich และ Alisa Vangnai. 2006. Partial purification and characterization of polyethylene glycol/polylene glycol-degrading enzymes from Pseudomonas sp. PE-2. ม.ป.ท.:Chulalongkorn University;Thanida Vuthikulvanich และ Alisa Vangnai. Partial purification and characterization of polyethylene glycol/polylene glycol-degrading enzymes from Pseudomonas sp. PE-2. ม.ป.ท.:Chulalongkorn University, 2006. Print.