http://school.obec.go.th/buabanwit/

http://www.dmf.go.th/dmfweb/index.php?option=com_content&view=article&catid=36%3A2009-10-27-12-26-55&id=178%3A2009-11-01-07-22-27&Itemid=92&lang=th

http://th.wikipedia.org/wiki/%E0%B9%82%E0%B8%AD%E0%B9%80%E0%B8%9B%E0%B8%81

http://th.wikipedia.org/wiki/%E0%B8%AA%E0%B8%87%E0%B8%84%E0%B8%A3%E0B8%B2%E0%B8%A1%E0%B9%80%E0%B8%A2%E0%B9%87%E0%B8%99