TY  - BOOK
AU  - Orton,Anthony
TI  - Didáctica de las matemáticas
T2  - Educacion Infantil y Primaria
SN  - 8471123452
AV  - QA11 .O7718 1990
PY  - 1990///
CY  - Madrid
PB  - Ministerio de Educación y Ciencia, Ediciones Morata
KW  - Mathematics
KW  - Study and teaching
KW  - Local
N1  - Translation of: Learning mathematics. Issues, theory, and classroom practice; Includes bibliographical references and index
ER  -