Mathematics methods for elementary and middle school teachers / 
Mary M. Hatfield...[et al.] 
 - 4 
 - Hoboken, N.J :  John Wiley & Sons,  2003       
 - xxxii, 429 p + 1 CD ROM 
<br/><br/><label>ISBN: </label>0471402123 
<br/><br/><label>LC Class. No.: </label>QA 135.6 M426 2003