TY  - BOOK
AU  - Butler, Charles H., author.
AU  - Wren, F. Lyndwood, author.
TI  - The teaching of secondary mathematics
AV  - CIR QA 11 B88 1965
PY  - 1965///
CY  - New York
PB  - McGraw-Hill Book Company
KW  - Mathematics -- Study and teaching
N1  - Includes bibliographical references and index
ER  -