Doan Thi Thanh Mai และ Pornpimon Trichot. (2010) The cross border trade and its impact on the growth of Lao Bao border town, Quang Tri Province, Vietnam. Chulalongkorn University:ม.ป.ท.Doan Thi Thanh Mai และ Pornpimon Trichot. 2010. The cross border trade and its impact on the growth of Lao Bao border town, Quang Tri Province, Vietnam. ม.ป.ท.:Chulalongkorn University;Doan Thi Thanh Mai และ Pornpimon Trichot. The cross border trade and its impact on the growth of Lao Bao border town, Quang Tri Province, Vietnam. ม.ป.ท.:Chulalongkorn University, 2010. Print.