TY  - BOOK
AU  - Sperry Smith, Susan
TI  - Early childhood mathematics
SN  - 9780205594283  
U1  - TR 372.7 Sp37 2009 
PY  - 2009///
CY  - Boston, MA
PB  - Pearson, 
KW  - Mathematics--Study and teaching (Early childhood)
ER  -