M.Sc. Thesis Title : Groundwater Potential and Quality of Upper Dhruma Aquifer (AZ-ZILFI AREA ), Saudi Arabia , King Abdulaziz University 1983 .
Ph.D .Thesis Title : Multi objective Multi means Methodology to Manage Groundwater , Colorado State University , USA , 1992.
Sen ,Z . and A. AL-Dakheel .1986 . Hydrochemical Facies Evaluation in Umm Er Radhuma Limestone , Eastern Saudi Arabia . Groundwater Journal . V .24 , No 5 .pp 626 -635 .
Principal Investigator in the project entitled ( The Study of Groundwater Resources in AL-Misfallah Araea , South of Makkah City , funded by Fakkieh Research Center , 1997.
Co-Investigator in the project entitled ( Mapping of Isothermal Curie Point Surface In AL-LITH AREA , WESTERN SAUDI ARABIA ), Funded by Scientific Research Council , KAAU ,1997.
Co-Investigator in the project entitled (Analytical Study of Flood Problems and Groundwater Rise in Jeddah Districts , Project funded by the Scientific Research Council , KAAU ,2000.
Co-Investigator in the project entitled ( Using Remote Sensing Technology to Determine Environmental Impacts and Select new Sewage Dumping Site in Jeddah ), funded by KACST, 2002.