1. Land and Water Division, Food and Agriculture Organization of the United Nations Rome Italy
2. Centre for Economic and Regional Studies Budapest Hungary
3. Hungarian University of Agricultural and Life Sciences Kaposvar Campus Kaposvar Hungary
4. Hydraulics Research Institute Delta Barrage, Al Qalyubya Egypt
5. FAO Representation to the Arab Republic of Egypt Food and Agriculture Organization of the United Nations Cairo Egypt
6. Soils, Water and Environment Research Institute Agriculture Research Centre Giza Egypt
7. National Agronomic Institute of Tunisia University of Carthage Tunis Tunisia
8. Department of Civil, Environmental, Building Engineering and Chemistry Politecnico di Bari Bari Italy