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لغة المحتوى

1 نتائج 'resources conservation'

Resources conservation
Resources development
Energy conservation, Natural resources, Nature conservation, Nonrenewable resources, Resources management, Soil conservation, Sustainable development, Waste treatment, Water conservation
Science > Environmental sciences and engineering
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)
http://vocabularies.unesco.org/thesaurus/concept6329