TY  - BOOK
AU  - Van Engen,Henry
TI  - Seeing through mathematics
T2  - The Basic mathematics program, 7-
AV  - QA39 .V314
U1  - 510.712 
PY  - 1961///-
CY  - Chicago
PB  - Scott, Foresman
KW  - Mathematics
KW  - Local
ER  -