1.     Salah Ahmed Abdalla, Esam Elsarraj. Banana Ripening and Cold Storage in Sudan using Solar Operated Liquid Desiccant Evaporative Cooling System. Proceedings, World Renewable Energy Conferrence, May 21-27, 2004 Aberdeen, U.K.
2.     S. A. Abdalla; M. M. El-awad; and E. M. Eljack 2006. “An Innovative Liquid Desiccant Evaporative Water Cooler”. Proceedings of the 2nd International Conference on Thermal Engineering Theory and Applications, January 3-6, 2006, Al-Ain, UAE.
3.     S. A. Abdalla; Kamal N. Abdalla; M. M. Eawad; and E. M. Eljack 2006. “Application of Solar-operated Liquid Desiccant Evaporative Cooling System for Banana Ripening and Cold Storage”. Proceedings of the First International Conference on Advances in Engineering and Technology, Entebbe, Uganda.
4.     S. A. Abdalla; and Kamal N. Abdalla 2006. “A Radiant Air-conditioning Systemusing solar-driven Liquid Desiccant Evaporative Water Cooler”. Journal of Engineering Science and Technology, Vol. 1, No. 2 pp 139-157, School of Engineering, Taylor’s University College, Malaysia.
5.     S. A. Abdalla; Kamal N. Abdalla, and E. M. Eljack 2006. “A Solar-Operated Liquid Desiccant Evaporative Cooling System for Comfort Air-Conditioning”. Proceedings Renewable Energy 2006, October 9-13, 2006 Makuhari Messe, Chiba, Japan.

3.    M. M. El-Awad, S. A. Abdalla, E.M. Eljack and O.E. Mohamed, 2006, “A Computer Model for Evaluating Hydrocarbon Mixtures as Natural Alternative Refrigerants”, The Second International Conference on Thermal Engineering: Theory and Applications, January 3-6, 2006, Al-Ain, UAE.

7.    M.M. El-Awad, K.N. Abdalla, S.A. Abdalla, 2007 “Study of gas turbine power augmentation by water and steam injection”. Proceedings Third International Conference on Thermal Engineering, May 21-23,2007 Amman, Jordan