@article{Carvalho2006,
author = {Carvalho, José Alberto Magno and Campos, Marden Barbosa},
title= {A variação do saldo migratório internacional do Brasil},
year = {2006},
doi = {10.1590/s0103-40142006000200005},
URL = {https://doi.org/10.1590/s0103-40142006000200005},
volume = {20},
number = {57},
pages = {55--58},
}