1. To chuc xa hoi cua nguoi Mong o Dong Van (Ha Giang) truoc Cach mang Thang Tam 1945 (On The Administrative And Social Organization Of The Hmong Ethnic Group In Dong Van Before 1945) Author(s): Dam, Thi Uyen and Phung, Thi Sinh Format: Journal article Citation: Nghien Cuu Lich Su, Volume 6, Issue 410 (2010-06). pp. 25-38.