TY  - BOOK
AU  - Gay,David
TI  - Solving problems using elementary mathematics
SN  - 0023411015
AV  - QA135.5 .G38 1992
PY  - 1992///
CY  - San Francisco, Calif., Toronto
PB  - Dellen Pub. Co., Maxwell Macmillan Canada
KW  - Arithmetic
KW  - Study and teaching
KW  - Problem solving
N1  - Includes index
ER  -