puits (1) temps (durée) (1) science (1) responsabilité (1) besoin (1) marché (1) littérature (1) information (1) analyse (1) évolution (1) emploi (1) ordre (1) Employment (1) Article (1) Congresses (1) Interviews (1) Encyclopedias (1) Typographers (1) Dealers (Retail trade) (1) Work (1) Will (1) Typists (1) Time (1) Telephone operators (1) Science (1) Responsibility (1) Reality (1) Professions (1) Professional employees (1) Portuguese (1)