TY  - BOOK
AU  - Copley,Juanita V.
TI  - Mathematics in the early years
SN  - 9780873534697
AV  - QA135.C784.M384 1999 
PY  - 1999///
CY  - Reston, Virginia
PB  - National Council of Teachers of Mathematics
KW  - Mathematics
KW  - Study and teaching (Early childhood)
N1  - 2; 2
ER  -