Seventh International Water Technology Conference (Cairo, Egypt, Ministry of Housing & Utilities and Urban Communities,Egypt, National Organization for potable water and Sanitary Drainage (NOPEASD), & Soliman, I. M. (2003). Seventh International Water Technology Conference IWTC 2003: Proceedings. WT.
Tohutoru Kātū Chicago (17th ed.)Seventh International Water Technology Conference (Cairo, Egypt, Ministry of Housing & Utilities and Urban Communities,Egypt, National Organization for potable water and Sanitary Drainage (NOPEASD), me Ibrahim Mohamed Soliman. Seventh International Water Technology Conference IWTC 2003: Proceedings. Cairo, Egypt: WT, 2003.
Tohutoro MLA (9th ed.)Seventh International Water Technology Conference (Cairo, Egypt, et al. Seventh International Water Technology Conference IWTC 2003: Proceedings. WT, 2003.