Lữ, Thị Ngọc Lan The acqiusition of English prepositional phrases contening to or for by Gia Dinh High School English-majored students - Ho Chi Minh City University of Social sciences and Humanities (National University of Ho Chi Minh City) 2009 - 134 p. 30 cm. LV 208 Subjects--Topical Terms: Tiếng Anh--Phương pháp giảng dạy Dewey Class. No.: 420.07 / A186