1. ACM Digital Library. http://dl.acm.org/
2. Armbrust, M., Fox, A., Griffith, R., Joseph, A.D., Katz, R.H., Konwinski, A., Lee, G., Patterson, D.A., Rabkin, A., Stoica, I., Zaharia, M., 2009. Above the Clouds: A Berkeley View of Cloud Computing. Technical Report UCB/EECS-2009-28, Electrical Engineering and Computer Sciences, University of California at Berkeley, Berkeley, CA
3. Evidence relating to object-oriented software design: a survey;Bailey,2007
4. Context-assisted test cases reduction for cloud validation;Batarseh,2013
5. Lessons from applying the systematic literature review process within the software engineering domain;Brereton;J. Syst. Softw.,2007