enquête (1) sociologie (1) société (humaine) (1) information (1) revenu (1) ménage (1) histoire (1) famille (1) emploi (1) éducation (1) âge (1) enfant (1) Education (1) Employment (1) History (1) Children (1) Surveys (1) Forms (1) Housekeeping (1) Spouses (1) Labor (1) Work environment (1) Work and family (1) Work (1) Variations (1) Surveys (1) Sociology (1) Series (1) Sampling (Statistics) (1) Parents-in-law (1)