Chiranan Hempulsert. (1990) The preliminary study on conversion of waste and low cost raw material to citric acid by Candida lipolytica. Mahidol University,:ม.ป.ท.Chiranan Hempulsert. 1990. The preliminary study on conversion of waste and low cost raw material to citric acid by Candida lipolytica. ม.ป.ท.:Mahidol University,;Chiranan Hempulsert. The preliminary study on conversion of waste and low cost raw material to citric acid by Candida lipolytica. ม.ป.ท.:Mahidol University, 1990. Print.