共 59 条
- [1] [Anonymous], 2009, Ethnologue: languages of the world
- [2] [Anonymous], 2007, 3190 IZA
- [3] Bakker D., 2009, LINGUIST TYPOL, V13, P167, DOI DOI 10.1515/LITY.2009.009
- [6] Belot M., 2012, SCANDINAVIAN J EC, V114, P681
- [7] Cultural barriers in migration between OECD countries [J]. JOURNAL OF POPULATION ECONOMICS, 2012, 25 (03) : 1077 - 1105