Learning (4) Languages (4) Lenguas (4) Lenguaje (4) Apprentissage (4) Langues (4) apprentissage (4) France (2) Instruction and study (2) Employment (2) Treaties (2) Texts (2) Treaties (2) Fiction (2) Texts (2) Individual differences (2) Notions (Philosophy) (2) Volume (Cubic content) (2) Tools (2) Teleology (2) Orientation (2) Goal (Philosophy) (2) Foreign exchange (2) Finalism (Philosophy) (2) Difference (Psychology) (2) Concepts (2) Research (2) Practice (2) Occupations (2) Educación--Fines y objetivos (2)