Waritha Tulalamba และ Onruthai Pinyakong. (2011) Effcieny of bosurfactant from bacllus sp. GY19 enhancement of pyrene solublizaton and bodegradation. Chulalongkorn University:ม.ป.ท.Waritha Tulalamba และ Onruthai Pinyakong. 2011. Effcieny of bosurfactant from bacllus sp. GY19 enhancement of pyrene solublizaton and bodegradation. ม.ป.ท.:Chulalongkorn University;Waritha Tulalamba และ Onruthai Pinyakong. Effcieny of bosurfactant from bacllus sp. GY19 enhancement of pyrene solublizaton and bodegradation. ม.ป.ท.:Chulalongkorn University, 2011. Print.