Mobilidade casa-trabalho da população empregada residente na área metropolitana do Porto : 2000
European Community household panel (ECHP) : methods : volume 1 : survey questionnaires : waves 1-3
Tendências evolutivas da população activa : 1981-1991
Enquête communautaire sur les forces de travail : guide de l'utilisateur : 1988
Economically active population estimates and projection
Study of changes in the wage structure of manual workers in industry in six community countries since 1966, and proposals for the development of future Community surveys
Labour force sample survey : methods and definitions : 1977