Nipawan Tanchai และผู้แต่งคนอื่นๆ. (2007) Improvement of the phenylalanine dehydrogenase immobilization method for the production of phenylalanine. Chulalongkorn University:ม.ป.ท.Nipawan Tanchai และผู้แต่งคนอื่นๆ. 2007. Improvement of the phenylalanine dehydrogenase immobilization method for the production of phenylalanine. ม.ป.ท.:Chulalongkorn University;Nipawan Tanchai และผู้แต่งคนอื่นๆ. Improvement of the phenylalanine dehydrogenase immobilization method for the production of phenylalanine. ม.ป.ท.:Chulalongkorn University, 2007. Print.