https://docs.google.com/viewer?a=v&q=cache:5N9ZGSpAnxYJ:www.dau.mil/pubscats/ATL%2520Docs/Sep_Oct_2012/Silvestrini_Parker_Sammito.pdf+&hl=en&gl=ph&pid=bl&srcid=ADGEESi31mPAIW03Z2rppnUJb2LxG1_y8K6JF08wXLS5LpD3L0hbDpzGgmf5sljPWvn_H8DYCFPzBNycuVbzmEnmpznqgxAFUV5GgflGOFlWdWcbSkHe2L6WHinsoNx5c9nXKJeyYR4L&sig=AHIEtbTfIZiknAE7Gf8xsS-4yCgEehUqcw
http://whatis.techtarget.com/definition/exploratory-model
http://www.ctg.albany.edu/publications/reports/survey_of_sysdev?chapter=8
http://www.robabdul.com/Data-Management-System-Software-Development-Cycle.asp
