| Literature DB >> 12279215 |
Abstract
Keywords: Americas; Demographic Factors; Developed Countries; Economic Development; Economic Factors; Geographic Factors; Human Resources; Labor Force; Migration; Migration, Internal; North America; Northern America; Population; Population Dynamics; Spatial Distribution; United States
Mesh：
Year: 1981 PMID： 12279215 DOI： 10.1111/j.1468-2257.1981.tb00886.x
Source DB: PubMed Journal: Growth Change ISSN： 0017-4815