อ้างอิง

อ้างอิง

https://sites.google.com/site/tirmaspannil/kar-subkhn-khxmul/4-websit-search-engine-thi-di-rab-khwam-niym

http://www.namonpit.ac.th/krutae/internet1/p4-6.htm

http://krukoon.wordpress.com/2010/04/19/search-engine-%E0%B8%84%E0%B8%B7%E0%B8%AD%E0%B8%AD%E0%B8%B0%E0%B9%84%E0%B8%A3/

http://www.clickmedesign.com/article/search-engine.html