TY  - BOOK
AU  -  E.T. Mcswain
TI  - Arithmetic
SN  - 0668064684 (pbk.) :
AV  - QA107 .A735 1985
U1  - 510 19
PY  - 1985///
CY  - New Jersey
PB  - Laidlaw Brothers
KW  - Arithmetic
KW  - Study and teaching (Elementary)
ER  -