TY  - BOOK
AU  - Hatfield,M.M
AU  - Edwards,N.T et al.
TI  - Mathematics methods for elementary and middle school teachers
SN  - 0-471-42012-3
U1  - 372.7 HAT 
PY  - 2003///
CY  - USA
PB  - John Wiley and Sons
ER  -