TY  - BOOK
AU  - Johnston,C.L.
AU  - Willis,Alden T.
AU  - Lazaris,Jeanne
TI  - Essential arithmetic
T2  - The Johnston/Willis developmental mathematics series
SN  - 0534090788 (pbk.)
AV  - QA107 .J64 1988
U1  - 513/.142 19
PY  - 1988///
CY  - Belmont, Calif.
PB  - Wadsworth Pub. Co.
KW  - Arithmetic
N1  - Includes index
ER  -