1. Lecture Notes in Computer Science;R. Noss,2012
2. Lecture Notes in Computer Science;M. Derntl,2012
3. Sommerville, I.: Software Engineering, 9th edn. Pearson, Boston (2011)
4. Carneiro, R., Lefrere, P., Steffens, K., Underwood, J. (eds.): Self-regulated Learning in Technology Enhanced Learning Environments: A European Perspective. SensePublishers, Rotterdam (2011)
5. Lecture Notes in Computer Science;T. Ley,2013