1. De Man J Experience with teaching and applying process appraisals at a university 2014
2. SCAMPI Upgrade Team Standard CMMI appraisal method for process improvement (SCAMPI) A, version 1.3: method definition document (CMU/SEI-2011-HB-001) 2011
3. CMMI product team, CMMI ® for development version 1.3 CMU/SEI-2010-TR-33 2010
4. De Man J Multi model performance improvement in action Improving Systems and Software Engineering Conference 31 37 2012
5. A practitioner's guide to light weight process assessment and improvement planning;Pettersson;Journal of Systems and Software,2008