title: [Attempt at an assessment of the entire population by socio-professional groups (1969)].
mesh_terms: D001530:Belgium; D019049:Developed Countries; D004467:Economics; D005060:Europe
keywords: Belgium; Developed Countries; Economic Characteristics; Europe; Western Europe
vernacular_title: Essai de  repartition de l'ensemble de la population par groupes socio-professionnels (annee 1969)