Phonthip Unyakiat A study of Thai secondary school efl teachers' perceptions of their preparation to teach English [microform] / Phonthip Unyakiat. - Ann Arbor, Mich. : University Microfilms International, 1992. - 2 microfiches ; 11 x 15 cm. Thesis (Ph.D.)-The Ohio State University, 1991. Subjects--Personal Names: High school teachers--Attitudes.--Thailand Subjects--Topical Terms: English language--Study and teaching (Secondary).