1 نتائج 'resources conservation'
Resources conservation (en)
Conservación de recursos (es), Сохранение ресурсов (ru), حفظ الموارد (ar), حفاظ على الموارد (ar), محافظة على الموارد (ar), صيانة الموارد (ar), Conservation des ressources (fr)
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Resources development
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Energy conservation, Natural resources, Nature conservation, Nonrenewable resources, Resources management, Soil conservation, Sustainable development, Waste treatment, Water conservation
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Science
> Environmental sciences and engineering
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http://vocabularies.unesco.org/thesaurus/concept6329