Treatment of Industrial Wastewater (Poultry Automatic Slaughter House Wastes)” M. Sc. Dissertation, Dept. of Civil Engineering, Faculty of Engineering, Ain Shams University, Cairo, Egypt, January 1987. “Treatment of Low-Turbidity High Content of Algae Waters” Ph.D. Dissertation, Dept. of Civil Engineering, Moscow Civil Engineering Institute, Moscow USSR, July 1992. “Reasons of Water Pollution in Branches Canals in Kalubia Governorate” Al-Azhar Scientific Fifth International Engineering Conference, Cairo, Egypt, December 19 – 22, 1997, Vol. 5, pp. 291 - 302. “Modeling Residual Free Chlorine in Water Distribution Systems” Mansoura Engineering Journal, Faculty of Engineering, Mansoura University, Egypt, Vol. 25 No. 1, March 2000, pp. 1 –13. “APT for Upgrading Benha Wastewater Treatment Plants” Scientific Bulletin, Faculty of Engineering, Ain Shams University, Cairo, Egypt, Vol. 35, No. 1, March 2000, pp. 59 – 67. Reliability Analysis of Water Distribution System” Third Mansoura International Engineering Conference, Faculty of Engineering, Mansoura University, Egypt. April 11 - 13, 2000, Vol. 1 pp. 297 - 309. Modeling and Reliability of Water Distribution Network” Journal of Engineering and Applied Science, Faculty of Engineering, Cairo University, Egypt, Vol. 47, No. 3, June 2000 pp. 503-517. “Studying the Effect of Storage on Water Quality by Using Computer Models” Journal of Engineering Researches, Faculty of Engineering, Helwan University, Vol. 71, October 2000 pp. 88 - 101. “Analysis of Water Distribution Network Performance by Penalty Curve” Journal of Engineering, Faculty of Engineering, Alexandria University, Vol. 40, No. 2 March 2001 pp. 265 - 276. “Effect of Wastewater Seepage on Engineering Properties of Clayey Soil” The Fourth International Military Technical Conference, Military Technical College, Cairo, Egypt, Vol. 2, October 2002 pp.188 - 197. Enhanced Aluminum Coagulation for NOM Removal from Low Turbidity Waters” 1st International Conference of Civil Engineering Science, ICCES1, Assuite, Egypt “Analysis of Reasons for Sewer Manholes Collapse by Extended Period Simulation” Mansoura 4th International Engineering Conference, Faculty of Engineering, Mansoura University, Egypt. April 11 - 13, 2004, Vol. 1, pp. 297 - 309. “Assessing the Effect of Storage Tanks on Drinking Water Quality, A Case Study” Scientific Bulletin, Faculty of Engineering, Ain Shams University, Cairo, Egypt, Vol. 41, No. 4, December 2006 pp. 181 –194. Impact of Treated Wastewater Reuse on Ground Water” Scientific Bulletin, Faculty of Engineering, Ain Shams University, Cairo, Egypt “Modeling of Trihalomethanes in Benha Water Supply Network” Scientific Journal, Faculty of Engineering, Mansoura University, Egypt, December 2007, Vol. 4 pp. 1-13. Formulation and Modeling of Trihalomethanes in New Benha Water Treatment Plant, Egypt” The Twelfth International Water Technology Conference, 27-30th March 2008, Alexandria, Egypt. Modeling of Trihalomethanes in Benha Water Supply Network, Egypt” The Twelfth International Water Technology Conference, 27-30th March 2008, Alexandria, Egypt. Enhancing Purification of Surface Water by Potassium Permanganate Addition” The Twelfth International Water Technology Conference, 27-30th March 2008, Alexandria, Egypt. “Deposition and Formation of THMs in Benha Water Distribution System” 6th International Engineering Conference, Faculty of Engineering – Mansoura University, Mansoura/Sharm El-Sheikh, 20 – 23 March 2008. Deposition and Formation of THMs in Water Supply System” Sustainable Environment Research, Journal of Environ. Eng. Manage. Vol. 21, No.2, pp. 89-94 (2011) Effect of Different Pipe Materials on Microbiological Water Quality Due to Biofilm Formation: a Case Study” Sixteenth International Water Technology Conference, IWTC 16 2012, Istanbul, Turkey