Atid Chanpongsri. 1991. Studies on dihydrofolate reductase from Mycobacterium smegmatis. Faculty of Graduate Studies, Mahidol University;
Atid Chanpongsri. (1991) Studies on dihydrofolate reductase from Mycobacterium smegmatis . Mahidol University/Bangkok.
Atid Chanpongsri. Studies on dihydrofolate reductase from Mycobacterium smegmatis. . Bangkok:Mahidol University, 1991.
Atid Chanpongsri. (1991) Studies on dihydrofolate reductase from Mycobacterium smegmatis . Mahidol University/Bangkok.