Wagner, R.D. (2026) STUDY REPORT: Assessing the Maturity and Impact of Project Management Offices (PMOs). Maribor, Slovenija: Alma Mater Europaea University – Alma Mater Press. Dostopno na: https://press.almamater.si/index.php/amp/catalog/book/117 (Pridobljeno: 17 marec 2026).