1. Individual and societal benefits of saving water;Ababa,2001
2. Assessment of Leakage in the Riyadh Water Distribution Network;Al-Dhowalia,2004
3. Identification of Current and Future Water Issues in the Kingdom of Bahrain;Al-Masri,2009
4. Water Statistics up to 2006;Al-Noaimi,2011
5. An investigation of water saving devices: performance and saving studies;Al-Rumaikhani,2001