[361 million problems].
Livi Bacci
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D003247:Conservation of Natural Resources; D003710:Demography; D003906:Developing Countries; D004777:Environment; D010684:Philosophy; D011153:Population; D011156:Population Density; D011157:Population Dynamics; D011158:Population Growth; D012106:Research; D012107:Research Design; D012942:Social Sciences
Demographic Factors; Demography; Developing Countries; Environment; Natural Resources; Philosophical Overview; Population; Population Dynamics--determinants; Population Growth--determinants; Population Size--determinants; Population Theory; Problem Formulation; Research Methodology; Social Sciences; World