1. Ammann Paul and Offutt Jeff, (2008). Introduction to Software Testing.Cambridge University Press. New York
2. Pan Jiantao.(1999). Software Reliability. Carnegie Mellon University.Spring
3. Nyhoff, (2005) Algorithm Efficiency
4. Spillner Andreas, Linz Tilo(2007). Software Testing Foundations, Rocky Nook
5. BhAkshaya.(2009). Software Quality Metrics.
6. Sabetta1 Antonino , Measuring Performance Metrics: Techniques and Tools , Università di Roma, “Tor Vergata”, Italy
7. Mette Anne and Hass Jonassen, . (2008). “Guide to Advanced Software Testing, Artech House inc.
8. Ajax apis. (2010). Introduction to Parallel Programming and Map Reduce, Goggle Code University.