Chu และผู้แต่งคนอื่นๆ. (2001) HIV prevention partner counseling and testing in Quang Ninh, Hai Phong and Hai Duong Northern provinces, Vietnam. Chulalongkorn University:ม.ป.ท.Chu และผู้แต่งคนอื่นๆ. 2001. HIV prevention partner counseling and testing in Quang Ninh, Hai Phong and Hai Duong Northern provinces, Vietnam. ม.ป.ท.:Chulalongkorn University;Chu และผู้แต่งคนอื่นๆ. HIV prevention partner counseling and testing in Quang Ninh, Hai Phong and Hai Duong Northern provinces, Vietnam. ม.ป.ท.:Chulalongkorn University, 2001. Print.