A well-designed and operated hydrological network is a prerequisite to an economic development of water resources
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| Format: | Texto biblioteca |
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1972
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| Subjects: | FAO UNESCO OAU, ECA WMO, WATER RESOURCES, ECONOMIC DEVELOPMENT, AFRICA, HYDROLOGY, RESSOURCE EN EAU, DEVELOPPEMENT ECONOMIQUE, RECURSOS HIDRICOS, DESARROLLO ECONOMICO, AFRIQUE, HYDROLOGIE, HIDROLOGIA, |
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