TY  - BOOK
AU  - Butler, Charles Henry
AU  - Wren, F. Lynwood
TI  - THE TEACHING OF SECONDARY MATHEMATICS
U1  - 510.7 
PY  - 1960///
CY  - N. Y.
PB  - Mcgraw-Hill
KW  - Mathematics. Study And Teaching (Secondary)
N1  - Mcgraw-Hill Series In Education
ER  -