TY  - BOOK
AU  - TR 511 M4201 2013
TI  - Math models for understanding K-12 2 / 
SN  - 9789710508358  
U1  - TR 511 M4201 2013 
PY  - 2013///
CY  - Malabon City
PB  - Jimczyville Publications
KW  - Mathematics--Study and teaching (Elementary)
ER  -