The push-pull theory of migration and its application.
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D001208:Asia; D002681:China; D003710:Demography; D003906:Developing Countries; D004641:Emigration and Immigration; D005202:Asia, Eastern; D008962:Models, Theoretical; D011153:Population; D011157:Population Dynamics
Asia; China; Demographic Factors; Developing Countries; Eastern Asia; Migration; Migration, Internal; Population; Population Dynamics; Theoretical Studies