Media type: E-Article Title: The values: Pieces of a puzzle or a puzzle with pieces ? Contributor: María Jesús Vitón de Antonio Published: 2015 Published in: Tendencias Pedagógicas, 8 (2015), Seite 43-58 Language: Spanish; Portuguese ISSN: 1989-8614; 1133-2654 Origination: Footnote: Access State: Open Access