TY  - SER
ED  - National Council of Teachers of Mathematics.
TI  - Yearbook
SN  - 0077-4103
AV  - QA1 .N3
U1  - 510 11
CY  - Washington, D.C.
PB  - National Council of Teachers of Mathematics
KW  - Mathematics
KW  - Study and teaching
N1  - Description based on: 23d (1957); Contains bibliographies; Education index; 0013-1385; Numerical designation dropped with 1976 issue
ER  -