อ้างอิง

อ้างอิง

https://sites.google.com/site/janyatansontia508778/sa-he-tuelea-phlk-ra-thb-khxng-wikvtkarn-dan-thraphyakr-thrrm-cha-tielea-sing-ewe-dl-xm   12-06-2557
http://tummachatsingwadlom.igetweb.com/articles/277238/-       12-06-2557
http://www.thaigoodview.com/library/teachershow/nakhonsithamrat/arunee_w/

cheevit/sec00p03.html     13-06-2557

 http://sahutchaisocialwork.wordpress.com/about/     13-06-2557

 http://www.gotoknow.org/posts/242786                  13-06-2557