TY - BOOK AU - Langford,Peter TI - El desarrollo del pensamiento conceptual en la escuela primaria SN - 847509516X AV - LB1062 .L3518 1989 U1 - 370.15/2 19 PY - 1989/// CY - Barcelona, España PB - Ediciones Paidós KW - Thought and thinking KW - Study and teaching (Primary) KW - Local KW - Child psychology KW - Cognition in children N1 - Translation of : Concept development in the primary scholl; Includes index; Bibliography: p. 129-154 ER -