TY  - BOOK
AU  - 
TI  - Toward a standardization: pictorial cognitive developmental scale
PY  - 1991///
CY  - Ponce, P. R.: Universidad Católica de Puerto Rico. Colegio de Educación
KW  - Cognitive abilities test
KW  - Local
KW  - Cognition
KW  - Testing
KW  - Intelligence tests
N1  - Includes bibliographical references
ER  -