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Are you Nathan Keyfitz, author of the books below?
Applied Mathematical Demography by Nathan Keyfitz Soal Penduduk dan Pembangunan Indonesia by Nathan Keyfitz World Population Growth and Aging by Nathan Keyfitz by Nathan Keyfitz Demography Through Problems by Nathan Keyfitz Population by Nathan Keyfitz Introduction to the Mathematics of Populations, Revised Edition by Nathan Keyfitz World Population Growth and Aging by Nathan Keyfitz Population Change and Social Policy by Nathan Keyfitz Urban Influence on Farm Family Size by Nathan Keyfitz World Population; An Analysis of Vital Data by Nathan Keyfitz


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