1. The 8 Omega Framework,
http://www.bmpg.org
2. Burlton, R. In: search of BPM excellence, BPM: From Common Sense to Common Practice, Meghan-Kiffer Press (2005)
3. Chrissis, M.B., Konrad, M., Shrum, S.: CMMI: Guidelines for Process Integration and Product Improvement. Addison Wesley, London (2003)
4. Curtis, B.: Overview of the business process maturity model, San Antonio SPIN (2004)
5. Curtis, B., Alden, J.: The business process maturity model: An overview for OMG members, (2006)