ศึกษาจากผลงานที่มี

http://narumonrangsuk.blogspot.com/2014/02/blog-post_19.html

https://jittapzaza2541.wordpress.com/learning-5/\

https://docs.google.com/document/d/16oTuMKOF5BzQkLdeStP8HbQR4HrXLBiMeGYCHcWkSiA/edit

http://yasebtid5.blogspot.com/