1. ANSI, American National Standards Institute, , 2007.
2. ANSI/EIA-632-1999, Processes for engineering a system, Electronic Industries Alliance, Government Electronic and Information Technology Association, 1999.
3. Practice-driven approach for creating project-specific software development methods;Bajec;Information and Software Technology,2007
4. Principles of Quality Costs: Principles Implementation and Use;Campanella,1999
5. A fault threshold policy to manage software development projects;Chiang;Information System Research,2004