BAROODY, ARTHUR J THE DEVELOPMENT OF ARITHMETIC CONCEPTS AND SKILLS: CONSTRUCTING ADAPTIVE EXPERTISE - S.E. - Estados Unidos LAWRENCE ERLBAUM ASSOCIATES 2003 MAHWAH - 494 ISBN: 0805831568 LCCN: 72528 Subjects--Topical Terms: ARITMETICADESARROLLOMATEMATICAS-ESTUDIO Y ENSEÑANZA Dewey Class. No.: 372.7