TY  - BOOK
AU  - Tai, Dawn.
TI  - Challenging 4-in-1 maths: primary 2
SN  - 9789814229425
U1  - TR 372.6 T1311 2010 
PY  - 2010///
CY  - Singapore
PB  - Educational Publishing House Pte Ltd
KW  - Mathematics
KW  - Mathematics.--Study and teaching (primary)
ER  -