1. Eisa EI. Renewable energy potential and applications in Sudan. In: Proceedings of the round table on renewable energy, 1016 King Street, Virginia, USA, 1983.
2. Horizons of using wind energy and establishing wind stations in Sudan;Omer;Dirasat J,1998
3. Solar electricity;Markvart,1994
4. Evaluation of Sudan wind energy project;Omer,1987
5. Compilation and evaluation of solar and wind energy resources in Sudan;Omer;Renew Energy,1997