Orawan Suttichit. 1995. Biodegradation of crude oil by freshwater microorganisms. Faculty of Graduate Studies, Mahidol University;
Orawan Suttichit. (1995) Biodegradation of crude oil by freshwater microorganisms . Mahidol University/Bangkok.
Orawan Suttichit. Biodegradation of crude oil by freshwater microorganisms. . Bangkok:Mahidol University, 1995.
Orawan Suttichit. (1995) Biodegradation of crude oil by freshwater microorganisms . Mahidol University/Bangkok.