John Rob
Said..
check out this link its also having nice post with wonderful explanation on testing life cycle.
http://mindstick.com/Articles/19c7b67a-36db-4681-977c-addcc3ea3795/?Life%20Cycle%20of%20Testing%20Process
I hope it might be useful for you. Its also having a nice collection of testing article. You may check also that articles.
Thanks!!