Alomlangsy Rajvong และ Withaya Sucharithanarugse. (2010) Social-economic impact of R3 road on Thailand, Lao PDR and Yunnan province (PRC) with focus on Lao PDR. Chulalongkorn University:ม.ป.ท.Alomlangsy Rajvong และ Withaya Sucharithanarugse. 2010. Social-economic impact of R3 road on Thailand, Lao PDR and Yunnan province (PRC) with focus on Lao PDR. ม.ป.ท.:Chulalongkorn University;Alomlangsy Rajvong และ Withaya Sucharithanarugse. Social-economic impact of R3 road on Thailand, Lao PDR and Yunnan province (PRC) with focus on Lao PDR. ม.ป.ท.:Chulalongkorn University, 2010. Print.