TY  - BOOK
AU  - Baratta-Lorton,Mary
ED  - Addison-Wesley Publishing Company.
TI  - Mathematics their way: an activity-centered mathematics program for early childhood education 
SN  - 0201004941 (hojas sueltas)
AV  - QA135.5 B373 1979
PY  - 1976///
CY  - Menlo Park, Calif.
PB  - Addison-Wesley
KW  - Mathematics
KW  - Study and teaching
KW  - Problems, exercises, etc
KW  - Matemáticas
KW  - Estudio y enseñanza
KW  - Problemas, ejercicios, etc
KW  - lemb
ER  -