1. Controlled drainage effects on water quality under semi-arid conditions in the western delta of Egypt;Wahba;Irrig Drain,2001
2. Dr Evan Christen and Dominic Skehan (2001) “Improving Subsurface Drainage Design and Management to Reduce Salt Loads from Irrigation Areas in Southeastern Australia” CSIRO Land and Water, PMB No.3, Griffith, New South Wales, 2680, Australia.
3. Vlotman WF, Jansen HC. “Controlled drainage for integrated water management” Paper No 125. Presented at the 9th International Drainage Workshop, September 10 – 13, 2003, Utrecht, The Netherlands; 2003.
4. Abdel-Gawad ST, Wahba MAS, Abbott CL, Counsell CJ. Controlled drainage strategies to save water in semi arid agricultural areas such as The Nile Delta, Egypt; 2000.
5. Hornbuckle John W, Christen Evanw, Ayars James E, Faulkner Richard D. Controlled water table management as a strategy for reducing salt loads from subsurface drainage under perennial agriculture in semi-arid Australia. CSIRO Land and Water, PMB No.3, Griffith, NSW, 2680, Australia; 2005.