1. Purchasing strategies and value creation in industrial turnkey projects;Ahola;International Journal of Project Management,2008
2. Intelligent Transportation Systems;Transportation,2014
3. Marketplace and technology standards for B 2B e-commerce: progress, challenges, and the state of the art;Albrecht;Information & Management,2005
4. Amadeus IT Holding 2012. Amadeus Corporate Sustainability Report 2012 - An economic, social and environmental overview. Madrid, Spain, April 2013.
5. Amazon Web Services (AWS) – Cloud Computing Services;Amazon,2015