http://en.wikipedia.org/wiki/Software_testing

http://searchsoftwarequality.techtarget.com/generic/0,295582,sid92_gci1325140_mem1,00.html

http://itknowledgeexchange.techtarget.com/quality-assurance/eight-checkpoints-for-testers-during-software-testing/

http://en.wikipedia.org/wiki/Data_warehouse