Suthiporn Chirapanda, 1947- Linear programming models of interregional competition for economic planning of Thai agriculture [microform] / Suthiporn Chirapanda. - Ann Arbor, Mich. : University Microfilms International, 1972. - 1 microfilm reel : positive ; 35 mm. Thesis (Ph.D.) - Iowa State University, 1972. Subjects--Topical Terms: Agricultural--Economic aspects--Thailand.