TY  - BOOK
AU  - Tai, Dawn.
TI  - Challenging 4-in-1 maths: primary 6 
SN  - 978981451716
U1  - TR 510 T129 2010 
PY  - 2010///
CY  - Singapore
PB  - Educational Publishing House
KW  - Mathematics
KW  - Mathematics--Study and teaching (primary)
ER  -