1. ”What is ERP?.”;Klaus;Information Systems Frontiers,2000
2. Sumner, M. (2018) “ERP Project Retrospectives—55 Enterprise Systems: Evaluating Project Success, Lessons Learned, and Business Outcomes.” In: Proceedings of Midwest Association for Information Systems: 1-10.
3. Benefits Management—How to Increase the Business Value of Your IT Projects;Ward,2012
4. “After a Successful Business Case of ERP - What Happens Then?.”;Johansson;Procedia Computer Science,2016
5. “A Framework for ERP Post-Implementation Amendments: A Literature Analysis.”;Oseni;Australasian Journal of Information Systems,2017