title: [A theoretical approach to migration].
authors.forename: K
authors.initials: K
authors.lastname: Matsushita
mesh_terms: D003710:Demography; D004641:Emigration and Immigration; D005190:Family; D005191:Family Characteristics; D008962:Models, Theoretical; D011153:Population; D011157:Population Dynamics; D012106:Research; D012942:Social Sciences
keywords: Demographic Factors; Demography; Family And Household; Family Life Cycle; Family Research; Migration; Models, Theoretical; Population; Population Dynamics; Population Theory; Research Methodology; Social Sciences