http://www.rsu.ac.th/libarts/new/humanity/paper/5/5.pdf?id=258
http://www.ict.bus.ku.ac.th/backoffice/pdf_research/559_165_g.pdf
http://ora.chandra.ac.th/~chantara/E-learning_MIS/mis/chapter11.htm
http://www.cabinet.thaigov.go.th/webdirect.htm
http://www.researchgate.net/science/871_Education/researchers/
http://iamstrategy.com/index.html
http://pirun.ku.ac.th/~g4786027/01/sub_01/02_01_02_1.html
http://learners.in.th/blog/james30/11216
http://www.tkc.go.th/thesis/
http://rc.nida.ac.th/research_detail.php?id=254874
http://www.thaithesis.org/search.php?search_mode=simple&fld=keyword&s=%B9%D1%A1%E0%C3%D5%C2%B9%CD%B9%D8%BA%D2%C5
http://www.krukeng.info/forum/viewthread.php?tid=3544
http://thaiedresearch.org/thaied/index.php?-action=browse&q=thaied_articles&wait=0&-table=thaied_articles&-cursor=14&-skip=0&-limit=30&-mode=list&-recordid=thaied_articles%3Fid%3D716
