"Potential and Field Calculations by The Monte-Carlo Method”, M.SC. Thesis, Zagazig University. “Potential and Field Computations by an Optimized Monte-Carlo Method”, Proceedings of IEEE-IAS Meeting, Pittsburgh, October . “Highly Diverging Field Computations Using Monte-Carlo”, Proceedings of the Middle East Power System Conference (MEPCON-89), Cairo, Egypt, Jan. “Electric Field Under H.V. lines and Human Body Modeling and simulation”, Ph.D. Thesis, Cairo University. “Assessment of Field-Exposed Humans Near EHV Power Lines Erected in Desert”, Proceedings of International Symposium on High Voltage Engineering (ISH’93), Dresden, August . “Effect of Soil on Human-Exposure to Power Frequency Electric Fields; Theoretical and Experimental Studies”, CIGRE, Paper 36-101. “Impact of Electric and Magnetic Fields on Environment”, 6th International Energy Conference, JITH’93. “Corona Effects of ac/dc Hybrid Transmission Lines”, 8th International Symposium on High Voltage Engineering (ISH’93), pp. 305-308, Japan, Aug. “Comparative Study of Magnetic Fields Near EHV and Distribution Power Lines”, North American Power Symposium (NAPS’93), pp. 427-435, Oct. "Profiles of Flux Lines Trajectories in The Vicinity of Hybrid ac/dc Transmission Lines”, Al-Azhar Engineering Third International Conference (AEIC’93), pp. 387-395, Dec. “Experimental Study of Particle-Initiated Breakdown in Non-Uniform Fields”, Al-Azhar Engineering Third International Conference (AEIC’93), pp. 491-501, Dec. “Lifting and Breakdown Characteristics of Contaminated Particles in Gaseous Dielectric; Experimental and Analytical Studies”, 3rd Middle East Power System Conference (MEPCON-94), pp. 73-78, Jan. “Magnetic Fields Near Power Lines in Egypt”, 3rd Middle East Power System Conference (MEPCON-94), pp. 96-101, Jan. “Dynamic Behaviour of Contaminating Particles Under SI/dc Voltages in GIS”, Third Middle East Power System Conference (MEPCON-94), pp. 242-246, Jan. “Motion of Free Conducting Particles in SF6 Insulated Systems Under dc/Switching Voltages”, IEEE Trans. on Dielectrics and Electrical Insulation, Vol. 1, No. 1, pp. 25-30, Feb. “Three-Dimensional Model of Transmission Lines For Calculating Electric Fields”, North American Power Symposium (NAPS’94), pp. 151-160, Sept. “Management of Power Line Magnetic Fields”, North American Power Symposium (NAPS’94), pp. 175-183, Sept. “Movement of Filamintary Conducting Particles Under VFT/AC Voltages in GIS”, Mansoura Engineering First International Conference, pp. 12-25, March. “Computation of Power Line Magnetic Fields- A Three Dimensional Approach”, 9th International Symposium on High Voltage Engineering (ISH’95), Subject 8, pp. 8333 (1-4). “Influence of Particle Contamination on The Breakdown Voltage of Non-Uniform Field Gaps Under ac Voltage”, 9th International Symposium on High Voltage Engineering (ISH’95), Subject 2, pp. 2260 (1-4). "Magnetic Field Around AC/DC Hybrid Transmission Lines”, Journal of Engineering and Applied Science, Cairo University, Vol. 43, No. 2, PP. 351-361, April. “Measurement of Magnetic Fields in Places of Work and Residence-An Egyptian Case Study”, North American Power Symposium (NAPS’96), pp. 223-229, Nov. “Motion of Conducting Contaminating Particles Under Mixed Overvoltages in GIS”, Fifth International Middle East Power System Conference (MEPCON’97), pp. 670-673, Jan. Measurements of ELF Magnetic Field Levels in Egypt”, CIGRE Regional Meeting For the African Continent, Cairo, Paper IV-104, 27-30 Sep. “Comparative Exposure to Magnetic Fields Near High Voltage Transmission Lines”, Sixth International Middle East Power System Conference (MEPCON’98), pp. 565-569, December. “Magnetic Fields Considerations in Converting One Circuit of a Double Circuit AC Line to DC” Sixth International Middle East Power System Conference (MEPCON’98), pp. 570-573, December. “Effects of Electrical Soil Properties on Electric Fields Around EHV Transmission Lines”, IEEE/PES Transmission and Distribution Conference and Exposition, New Orleans, pp. 730-733 , April . “Gas Insulated Transmission Lines Magnetic Fields: Assessment and Management”, Journal of Engineering and Applied Science, Cairo University, Vol. 46, No. 3, PP. 555-570, June. “Magnetic Fields Around a 220-66 kV Transmission Line”, 11th International Symposium on High Voltage Engineering (ISH’99), Session S4, pp. 2.55.S4-2.58.S4, August . “Management of Gas-Insulated Transmission Lines Magnetic Fields”, 11th International Symposium on High Voltage Engineering (ISH’99), Session P6, pp. 2.152.P6-2.155.P6, August . “Particle-Initiated Corona and Breakdown Under dc/ac Mixed Voltages”, 1999 IEEE/CEIDP Conference on Electrical Insulation and Dielectric Phenomena, pp. 371-374, October . “Probabilistic Modeling of Sag-Based Magnetic Fields”, Seventh International Middle East Power System Conference (MEPCON’2000), pp. 491-495, March. “Interaction of Environmental ELF Electromagnetic Fields With Living Bodies”, Electric Machines and Power Systems, Vol. 28, No. 4, pp. 301-312, April. “Probabilistic Modeling of Power Lines Magnetic Fields”, IEEE/PES Summer Meeting, Seattle, USA, July . “Electric and Magnetic Fields and Radio Noise From the Extra-High Towers Crossing the Suez Canal”, CIGRE, Paper 36-140, August . “Characterization of Magnetic Fields Under EHV Transmission Lines in Saudi Arabia“, 1st Saudi Technical Conference& Exposition STCEX 2000, Dec. “Magnetic Fields Around Gas-Insulated Transmission Lines Crossing”, IEEE/PES Summer Meeting, Vancouver, Canada, July. “Ion Trajectories and Corona Effects at Converting One Circuit of a Double Circuit ac Line to dc”, IEEE/PES Summer Meeting, Vancouver, Canada, July. “Magnetic Field Mitigation Using Line Compaction”, Eighth International Middle-East Power Systems Conference (MEPCON’2001), December . “Magnetic Field Under Parallel Transmission Lines”, Eighth International Middle-East Power Systems Conference (MEPCON’2001), December. “Magnetic Field-Induced Currents in Human Body in the Proximity of Power Lines”, IEEE Power Engineering Society General Meeting, volume 3, pp. 1559-1564, Toronto, Canada, July 13-17. "Effect of Conductor Heating on Magnetic Field Distribution Near Power Lines", 13th International Symposium on High Voltage Engineering, (ISH2003), Amsterdam, Netherlands, August. “Quantification of Interaction between ELF Magnetic Fields and Human Body Organs in the Proximity of Power Lines”, 14th International Symposium on High Voltage Engineering, (ISH2005), C19, China, August. “Interaction of ELF Magnetic Fields with Human Body Organs Model Underneath EHV Transmission Lines”, IEEE 2006 Power System Conference & Exposition, PSCE, 29 Oct.-1 Nov., Atlanta, Georgia, USA. Magnetic Field Exposure Assessment of Lineman Brain Model During Live Line Maintenance Particle Initiated Breakdown Inside Gas Insulated Switchgear for Various Gases Mixtures Mitigation of Very Fast Transient Overvoltage at the More Sensitive Points in Gas Insulated Substation Muti- Particle Initiated Breakdown of Gas Mixtures Inside Compressed Gas Devices Effect of Multi-Contaminating Particles on Breakdown Voltage of Mixture Gases Inside GIS A Proposed Transient Recovery Voltage Mitigation Technique For Generator-Circuit-Breaker Fed Faults A New Technique For Transient Recovery Voltage Suppression on Generator Circuit Breaker For Generator Fed Faults Long Term Analysis of Cables Problems in Egyptian Distribution Network High-Frequency Spectrum Analysis of VFTO Generated Inside Gas Insulated Substations Mitigation of the Transient Recovery Voltage on Generator Circuit Breaker During Generator Fed Faults Effect of Functionally Graded Material of Disc Spacer with Presence of Multi-Contaminating Particles on Electric Field inside Gas Insulated Bus Duct Effect of Functionally Graded Material of Spacer with Contaminating Particle on Breakdown Voltage inside Gas Insulated Bus Duct New Techniques for Disconnector Switching VFT Mitigation in GIS New Techniques For VFT Mitigation in GIS Grid Connected Photovoltaic Power Plant Controlled By Using FLC and CR with DC-DC Boost Converter A Proper Design of Wind Turbine Grounding Systems under Lightning Towards an Accurate Modeling of Frequency-dependent Wind Farm Components under Transient Conditions Effect of Coating of Earthed Enclosure and Multi-Contaminating Particles on Breakdown Voltage inside Gas Insulated Bus Duct Electric Field Distribution around Contaminating Wire Particles Inside Gas Insulated Bus Duct Effective Factors on the Generated Transient Voltage in the Wind Farm due to Lightning Mitigation of Lightning Hazards at the More Sensitive Points in Wind Farms Using Ant-Colony Optimization Technique