Socio-demographic and economic characteristics of displaced persons in el Salvador - Alens Z., Alex A. ([editor no identificado], 1984)
"Hemispheric Migration Project"--A la cabeza de la portada: Intergovernmental Committe for migration (ICM)--Título de la portada adicional: Study on basic socio-demographic and economic characteristics of the displaced population : final report (12 December 1983-11 february 1984)