TY  - BOOK
AU  - Suydam, Marilyn N.
AU  - Reys, Robert E.
ED  - National Council of Teachers of Mathematics
TI  - Developing computational skills
U1  - 510.7 NAT 
PY  - 1978///
CY  - Reston,
PB  - Virginia
KW  - Arithematic
KW  - Study and teaching
KW  - Numerical calculations
N1  - Includes bibliographies
ER  -