ขอขอบคุณข้อมูล
http://www.trf.or.th/index.php?option=com_content&view=article&id=8518:trf-asean-international-public-forum-2015-managing-low-skolled-labor-migration-in-the-asean-community&catid=238:2014-01-31-08-43-53&Itemid=101