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