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- [6] Water source supply issues for a shared resource TAPPI INTERNATIONAL ENVIRONMENTAL CONFERENCE, VOLS 1-3, 1999, : 1021 - 1030
- [7] Bubbling to the surface: public water supply issues JOURNAL AMERICAN WATER WORKS ASSOCIATION, 1998, 90 (01): : 49 - 54
- [9] Major issues in sustainable water supply in Botswana GROUNDWATER: PAST ACHIEVEMENTS AND FUTURE CHALLENGES, 2000, : 975 - 980