1. Typical solar radiation data for Oman;Al-Hinai,1995
2. Agro-meteorological Unit Data, Food and Agricultural Organization of the United Nations;Food and Aggricultural Organization,1993
3. Solar Energy Thermal Technology;Norton,1991
4. Annual Climatic Summaries;Oman Ministry of Communications,1987
5. Oman's Renewable Energy Program(1996–2005);Sultan Qaboos University,1996