- www.pmi.org (Project Management Institute - PMI)
- www.pmi-greece.org (Athens, Greece PMI Chapter)
- www.ipma.ch (International Project Management Association - IPMA)
- www.pmgreece.gr (Network of Project Managers in Greece – IPMA Member Association)
- www.ogc.gov.uk (Office of Government Commerce, UK - OGC)
- www.ogc.gov.uk/prince2 (PRINCE2 official website)
- www.apm.org.uk (Association of Project Management, UK - APM)
- www.afitep.fr (Association Francophone de Management de Projet, France - AFITEP)
- www.gpm-ipma.de (Deutsche Gesellschaft für Projektmanagement, Germany - GPM)
- www.aipm.com.au (Australian Institute of Project Management - AIPM)
- www.pmaj.co.jp (Project Management Association of Japan - PMAJ)
