TY  - BOOK
AU  - Langford,Peter
TI  - El desarrollo del pensamiento conceptual en la escuela secundaria
T2  - Temas de Educacion
SN  - 8475096093
AV  - LB1062 .L3518
U1  - 370.15/2 1987
PY  - 1990///
CY  - Barcelona
PB  - Ediciones Paidós
KW  - Learning, Psychology of
KW  - Local
KW  - Adolescent psychology
KW  - Concept learning
N1  - Translation of: Concept development in the secondary school; Includes index; Bibliography: p. [159]-184
ER  -