แหล่งอ้างอิง การหาข้อมูล

แหล่งอ้างอิง

http://www.gisthai.org/about-gis/remote-sensing.html

http://yingpew103.wordpress.com/2013/01/18/%E0%B9%80%E0%B8%97%E0%B8%84%E0%B9%82%E0%B8%99%E0%B9%82%E0%B8%A5%E0%B8%A2%E0%B8%B5%E0%B8%94%E0%B9%89%E0%B8%B2%E0%B8%99%E0%B8%81%E0%B8%B2%E0%B8%A3%E0%B8%AA%E0%B8%B3%E0%B8%A3%E0%B8%A7%E0%B8%88%E0%B8%A3/