R. D. Wagner, M. Protulipac, N. Nouaimeh, M. M. Azeem, in A. Galgenmüller, STUDY REPORT: Assessing the Maturity and Impact of Project Management Offices (PMOs). Maribor, Slovenija: Alma Mater Europaea University – Alma Mater Press, 2026. Pridobljeno: 17. marec 2026. [Na spletu]. Dostopno na: https://press.almamater.si/index.php/amp/catalog/book/117