TY  - BOOK
AU  - Yee, Lee Peng
TI  - Mathematics modelling : : A collection of Classroom Tasks / 
SN  - 9789814370042  
AV  - QA 987.68 .Y42m 2012
PY  - 2012///.
CY  - Singapore : 
PB  - Alston Pub
ER  -