AuthorSiriporn Vongthieres, 1943-
TitleA Pedagogical study of selected English grammatical difficulties of advanced Thail students / Siriporn Vongthieres
Imprint Ann Arbor, Mich. : Xerox Univ. Microfilms, 1974
Descript vi, 185 p. : tables

English language -- Study and teaching -- Thai students

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