Verwijzing naar de data van: Database Developing World - DDW
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In the last decades, many large-scale representative household surveys have been conducted in developing countries. In these surveys, for millions of individuals, demographic,...
近数十年来，诸多大规模代表性家庭调查已在发展中国家开展。在这类调查中，针对数百万研究个体的人口学……
