TY  - BOOK
AU  - Harris, Joyce
AU  - Hobbs, D.A.
AU  - Lewis, K.
TI  - The School Mathematics Project : Book C
SN  - 521-06955-6
U1  - 510.7 
PY  - 1969///
CY  - New York
PB  - Cambridge University Press
KW  - Mathematics
ER  -