Ai Thien Nhan Lam และ Khemika Yamarat. (2011) Prevalence and factors associated with hepatitis B infection in Stieng tribe adults in Binhphuoc Province, Vietnam. Chulalongkorn University:ม.ป.ท.Ai Thien Nhan Lam และ Khemika Yamarat. 2011. Prevalence and factors associated with hepatitis B infection in Stieng tribe adults in Binhphuoc Province, Vietnam. ม.ป.ท.:Chulalongkorn University;Ai Thien Nhan Lam และ Khemika Yamarat. Prevalence and factors associated with hepatitis B infection in Stieng tribe adults in Binhphuoc Province, Vietnam. ม.ป.ท.:Chulalongkorn University, 2011. Print.