Auttapol Suebpongsakorn และ Watcharavee Chandraprakaikul. (2014) The Efciency Evaluation of ASEAN Countries Prior to the Economic Integration: The Application of Undesirable Output Data Envelopment Analysis. <i>Development Economic Review</i>, <i>8</i>(2), 100.Auttapol Suebpongsakorn และ Watcharavee Chandraprakaikul. "The Efciency Evaluation of ASEAN Countries Prior to the Economic Integration: The Application of Undesirable Output Data Envelopment Analysis". Development Economic Review 8 (2014):100.Auttapol Suebpongsakorn และ Watcharavee Chandraprakaikul. The Efciency Evaluation of ASEAN Countries Prior to the Economic Integration: The Application of Undesirable Output Data Envelopment Analysis. School of Development Economic:ม.ป.ท. 2014.