1Project Management Institute [PMI].Organizational ProjectManagement Matutityknowledge foundation-Second Edition [M].USA:Project Management Institute, 2008.
2Project Management Institute [PMI].A Guide to the Project Management Body of Knowledge (PMBOK Guide)-Fourth Edition[M]. USA: Project Management Institute, 2008.
3The Office of Government Commerce [OGC]. Portfolio, Programme and Project Management Maturity Model (P3M3?) Introduction and Guide to P3M3? [M].United Kingdom: The Office of Government Commerce, 2010.
4International Project Management Association [IPMA].The PE Model [EB/OL].http://iprna.ch/awards/project-excellence/the-pe-model/.
5Harold Kerzner.Strategic planning for project management using a project management maturity model [M]. John Wiley & Sons.?2001.
