Sakkarin Nonthapot และ Nattanin Ueasin. (2014) INTERNATIONAL TOURISM DEMAND IN THE GREATER MEKONG SUB-REGION A PANEL GRANGER CAUSALITY APPROACH. <i>UTCC International Journal of Business and Economics</i>, <i>6</i>(2), 75-88.Sakkarin Nonthapot และ Nattanin Ueasin. "INTERNATIONAL TOURISM DEMAND IN THE GREATER MEKONG SUB-REGION A PANEL GRANGER CAUSALITY APPROACH". UTCC International Journal of Business and Economics 6 (2014):75-88.Sakkarin Nonthapot และ Nattanin Ueasin. INTERNATIONAL TOURISM DEMAND IN THE GREATER MEKONG SUB-REGION A PANEL GRANGER CAUSALITY APPROACH. University of the Thai Chamber of Commerce:ม.ป.ท. 2014.