Phạm, Thị Ngọc Dung The development of English speaking skill among high school students - Ho Chi Minh City University of Social sciences and Humanities (National University of Ho Chi Minh City) 2005 - 87 p. 30 cm LV 115 Subjects--Topical Terms: Tiếng Anh--Phương pháp giảng dạy Dewey Class. No.: 428.3 / D489