Pradit Chatcharatkoon An analysis of the potential roles of Thailand's Northeast teachers' colleges in non-formal education [microform] / by Pradit Chatcharatkoon - Ann Arbor, Mich. : University Microfilms International, 1983 - 3 microfiches ; 11 x 15 cm. Thesis (Ph.D.) - Southern Illinois University, 1983 Subjects--Topical Terms: Non--formal education--ThailandCollege teachers--Thailand