TY  - BOOK
AU  - Carman,Robert A.
AU  - Carman,Marilyn J.
TI  - Basic mathematical skills: a guided approach 
SN  - 0471134953
PY  - 1975///
CY  - New York
PB  - Wiley
KW  - Arithmetic
KW  - 1961
KW  - Programmed instruction
N1  - Includes index
ER  -