Pruet Siribanpitak Cost-benefit analysis of teacher training in Thailand [microform] / by Pruet Siribanpitak - Ann Arbor, Mich. : University Microfilms International, 1985 - 2 microfiches; 11x15cm Thesis (Ph.D) - University of Pittsburgh, 1984 ISBN: Y910041098 Subjects--Topical Terms: Teachers--Training--Cost effectiveness--Thailand