ขอขอบคุณ
https://occupationandtechnologym3.wordpress.com/1-3-%E0%B8%81%E0%B8%B2%E0%B8%A3%E0%B8%95%E0%B8%B4%E0%B8%94%E0%B8%95%E0%B8%B1%E0%B9%89%E0%B8%87%E0%B9%82%E0%B8%9B%E0%B8%A3%E0%B9%81%E0%B8%81%E0%B8%A3%E0%B8%A1-google-sketchup-8/
https://www.google.co.th/search?espv=2&biw=1366&bih=662&tbm=isch&q=google+sketchup+logo&sa=X&ved=0ahUKEwjGnNGL7ILQAhVFPY8KHW8wCoUQhyYIGCgA&dpr=1
http://www.slideshare.net/teraphataroonpairoj/googlesketchup8
http://0868583949.blogspot.com/p/blog-page.html
http://nuttapawit.blogspot.com/2013/09/sketchup_16.html
http://news.sanook.com/world/
https://www.youtube.com/watch?v=bQGw4Do18jA
http://news.thaiware.com/
http://www.dailynews.co.th/assets/cover_page/
http://www.thaiptv.com/channel-samrojlok.html
http://www.ppschool.ac.th/elearning/ict5.php
http://ongchaiaena.blogspot.com/p/blog-page_31.html