Santos, N.L. and Faria, L. 2006. Comparative study about perceptions of socio-professional characteristics from ordinary workers and african PALOP immigrants in Portugal . Paidéia (Ribeirão Preto). 16, 34 (Aug. 2006), 181–192. DOI:https://doi.org/10.1590/S0103-863X2006000200006.