IHE Delft, (Netherlands): Master of Science in Hydrological Engineering (April 1998).
Paper about Monitoring of Seawater Intrusion in the Gaza Strip: Proceedings of the First International Seawater Intrusion Conference, Morocco 2001.
Three-dimensional numerical models of seawater intrusion in Gaza Aquifer, Palestine: Proc 18th Salt Water Intrusion Meeting, Cartagena, Spain, 31 May - 3 June 2004. QAHMAN K. and LARABI. A.
Optimal and Sustainable Extraction of Groundwater in Coastal Aquifers, Manuscript: Stochastic Environmental Research and Risk Assessment Journal, October 2004. QAHMAN K., LARABI A., OUAZAR D., NAJI A., and CHENG A. H.-D.