Hathairath T. Wattanaphon และ Alisa Vangnai. (2006) Screening and identification of biosurfactant producing bacteria and characterization of the biosurfactant. Chulalongkorn University:ม.ป.ท.Hathairath T. Wattanaphon และ Alisa Vangnai. 2006. Screening and identification of biosurfactant producing bacteria and characterization of the biosurfactant. ม.ป.ท.:Chulalongkorn University;Hathairath T. Wattanaphon และ Alisa Vangnai. Screening and identification of biosurfactant producing bacteria and characterization of the biosurfactant. ม.ป.ท.:Chulalongkorn University, 2006. Print.