Trần, Công Miêng A cross - cultural study : How native speaker of English and Vietnamese speakes of Vietnamese decline invitations - Ho Chi Minh City University of Social sciences and Humanities (National University of Ho Chi Minh City) 2005 - 87 p. 30 cm LV 075 Subjects--Topical Terms: English language--Teaching methods Dewey Class. No.: 420.07 / C951