Manee Palittapongarnpim. (1995) Biodegradation of crude oil by soil microorganisms. Mahidol University,:ม.ป.ท.Manee Palittapongarnpim. 1995. Biodegradation of crude oil by soil microorganisms. ม.ป.ท.:Mahidol University,;Manee Palittapongarnpim. Biodegradation of crude oil by soil microorganisms. ม.ป.ท.:Mahidol University, 1995. Print.