TY  - BOOK
ED  - National Council of Teachers of Mathematics
TI  - Enrichment mathematics for the grades: : twenty-seventh yearbook
T2  - Yearbook (Natioanal Council of Teachers of Mathematics; 27th
AV  - MTH QA1.N3 
PY  - 1963///
CY  - Washington, D.C.
PB  - :National Council of Techars of Mathematics
KW  - Mathematics
KW  -  Study and teaching
N1  - Bibliography: p.331-368
ER  -