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1 resultados para 'population problems'

Population problems
Population dynamics
Overpopulation, Population density
Population decrease, Population increase
Social and human sciences > Population
Problema demográfico (es), Problème démographique (fr), Демографические проблемы (ru), مشاكل السكان (ar), اشكاليات سكانية (ar)
http://vocabularies.unesco.org/thesaurus/concept15365