แหล่งอ้างอิง

-http://www.thaigoodview.com/lesson?

-http://www.sahavicha.com/?name=knowledge&file=readknowledge&id=454

-http://board.palungjit.com/f2/%E0%B8%AD%E0%B8%B2%E0%B8%A3%E0%B8%A2%E0%B8%98%E0%B8%A3%E0%B8%A3%E0%B8%A1%E0%B9%80%E0%B8%A1%E0%B9%82%E0%B8%AA%E0%B9%82%E0%B8%9B%E0%B9%80%E0%B8%95%E0%B9%80%E0%B8%A1%E0%B8%B5%E0%B8%A2


-http://www.dek-d.com/board/view.php?id=515329

-http://www.baanjomyut.com/library/civil/mesopote.html

-http://th.wikipedia.org/wiki/%E0%B9%80%E0%B8%A1%E0%B9%82%E0%B8%AA%E0%B9%82%E0%B8%9B%E0%B9%80%E0%B8%95%E0%B9%80%E0%B8%A1%E0%B8%B5%E0%B8%A2