TY  - GEN
AU  - Bennett Albert B
AU  - Nelson Leonard T
TI  - Mathematics for elementary teachers :  : a conceptual approach / 
SN  - 0072532947
AV  - QA39.3  
PY  - 2004///
CY  - Boston : 
PB  - McGraw-Hill Higher Education, 
KW  - Mathematics
N1  - Includes bibliographical references (p. 798-799) and index
ER  -