TY  - BOOK
ED  - National Council of Teachers of Mathematics
TI  - The teaching of secondary school mathematics
T2  - Yearbook / National Council of Teachers of Mathematics
PY  - 1970///
CY  - Reston, VA
PB  - National Council of Teachers of Mathematics
KW  - Mathematics
KW  - Study and teaching
N1  - Includes bibliographies
ER  -