Sai Lone และ Niti Pawakapan. (2008) The political economy of opium reduction in Burma : local perspectives from the Wa region. Chulalongkorn University:ม.ป.ท.Sai Lone และ Niti Pawakapan. 2008. The political economy of opium reduction in Burma : local perspectives from the Wa region. ม.ป.ท.:Chulalongkorn University;Sai Lone และ Niti Pawakapan. The political economy of opium reduction in Burma : local perspectives from the Wa region. ม.ป.ท.:Chulalongkorn University, 2008. Print.