TY  - BOOK
AU  - Fennell,Francis M.
TI  - Mathematics unlimited
SN  - 9780030219078
AV  - QA93 .M3 1988
PY  - 1987///
CY  - New York
PB  - Holt, Rinehart and Winston
KW  - Mathematics-Study and teaching (Elementary)
KW  - Arithmetic-Study and teaching (Primary)
KW  - Aritmética
KW  - Matemáticas
ER  -