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Proceedings of Joint WHO/UNEP First regional conference on water demand management, conservation and pollution control/ [electronic resource] / sponsored by World Health Organization and United Nation environment programme.
- 628.1
- Joint WHO/UNEP regional conference on water demand management, conservation and pollution control (1st : 2003: Amman, Jordan)
- World Health Organization ; United Nation environment programme,
- 2003.
- Jordain :