TY - BOOK AU - Weera Thaipanich TI - Secondary school principals attitudes toward educational media in Thailand PY - 1982/// CY - Ann Arbor, Mich. PB - University Microfilms International KW - Media programs (Education) KW - Educational technology KW - High school principals KW - Thailand N1 - Thesis (Ph.D.)-University of Missouri, 1982 ER -