1. A glimpse into the status and prospect of renewables in oil-producing countries; with a special reference to the Kingdom of Saudi Arabia;Al-Saleh;Geopolitics of Energy,2007
2. An experimental application of the Delphi method to the use of experts;Dalkey;Management Science,1963
3. The Delphi Method: Techniques and Applications;Linstone,1975
4. Delphi Critique: Expert Opinion, Forecasting and Group Process;Sackman,1975
5. Foresight and Delphi Processes as Information Sources for Scenario Planning;Loveridge,1999