http://www.school.net.th/library/snet 1/hardware/index 2.htm

http://www.school.net.th/library/create-web/ 10000/technology/ 10000-973.html

http://project.cs.kku.ac.th/2545/project/g16/member/type.php

http://www.sarapee.ac.th/index.php?name=Content&pid=22

http://www.tanti.ac.th/Com-tranning/IT/technof5.htm#02

http://203.170.244.228/ptweb/wantanee/group1/5.html

http://202.143.142.179/LearnV1/index.php?mod=Courses&op=lesson_show&cid=1&sid=&lid=3

http://rbu.qru.ac.th/~bangkom/mckind.htm

http://www.mots.go.th/phitsanulok/rmlut/webcom/n4.html

http://202.129.0.133/createweb/00000//00000-987.html