1. The energy problem: present situation and future alternatives for the gulf region;Kettani,1978
2. Solar Energy in the Arab World: Policies and Programs;Kettani,1979
3. The role of renewable energy sources in the Arab world;Kettani,1981
4. Economic competitiveness of solar energy with conventional fuel and electricity;Saif-ul-Rahman;Sol. Energy,1976
5. Economics of solar heating with home-owner-type financing;Reid;Sol. Energy,1977