Phakkawat Chantrangsri. 2008. The impact of ASEAN free trade area on intra-and extra-ASEAN trade : case study Thailand. Field of Study International Economics, University of Birmingham;
Phakkawat Chantrangsri. (2008) The impact of ASEAN free trade area on intra-and extra-ASEAN trade : case study Thailand . University of Birmingham/Birmingham.
Phakkawat Chantrangsri. The impact of ASEAN free trade area on intra-and extra-ASEAN trade : case study Thailand. . Birmingham:University of Birmingham, 2008.
Phakkawat Chantrangsri. (2008) The impact of ASEAN free trade area on intra-and extra-ASEAN trade : case study Thailand . University of Birmingham/Birmingham.