อ้างอิง

 https://www.l3nr.org/posts/292895

 https://apinyamaimee.wordpress.com

 https://narumon54111.wordpress.com

-http://nannapatbar.blogspot.com/2015/01/blog-

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

 http://www.nysiissolutions.com/news/03.html