1. LNBIP;H. Wesenberg,2011
2. Deloitte: Cloud Computing: Forecasting Change, Deloitte Consulting (2009),
https://www.deloitte.com/assets/Dcom-Global/Local%20Assets/Documents/TMT/cloud_-_market_overview_and_perspective.pdf
3. Barney, J.B.: Firm Resources and Sustained Competitive Advantage. Journal of Management 17(1), 99–120 (1991)
4. Porter, M.E.: Competitive Advantage: Creating and Sustaining Superior Performance. Free Press, New York (1985)
5. Kaplan, R.S., Norton, D.P.: Strategy Maps: Converting Intangible Assets into Tangible Outcomes. Harvard Business School Press, Boston (2004)