TY - BOOK AU - Beckmann,Sybilla TI - Mathematics for elementary teachers SN - 0321449711 AV - QA 135.6 .B43 2008 U1 - TR 372.7 PY - 2008/// CY - Boston PB - Pearson Addison Wesley KW - Mathematics KW - Study and teaching (Elementary) N1 - Faculty ER -