อ้างอิง

   - http://www.lampang.go.th/db_lap/mtn/virus.html

- http://www.kkict.org/download/pdf/

  -http://www.dek-d.com
  -http://www.infoniac.com/hi-tech/most-dangerous-computer-viruses.html 
-http://nakedsecurity.sophos.com/2009/11/08/iphone-worm-discovered-wallpaper-rick-astley-photo/ 
-  http://www.spamlaws.com/slammer-worm.html

-  http://www.caida.org/publications/papers/2003/sapphire/sapphire.html

 - http://www.kkict.org/download/pdf/VirusComputerAndSecurity.pdf

 -https://docs.google.com/viewer?a=v&pid=sites&srcid=ZGVmYX

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