TY  - BOOK
AU  - Conway, Donald
AU  - Dreyfuss, Martin J.
TI  - Arithmetic; skills and problem solving / Donald Conway
U1  - 511 CON-A 
PY  - 1968///
CY  - New York
PB  - Harcourt, Brace & World
KW  -  skills and problem solving / Donald Conway  Arithmetic
KW  - Arithmetic
ER  -