TY  - BOOK
AU  - Ong,Nina Sue Lyn
TI  - Traces
SN  - 9833219713 (pbk.)
U1  - 428.2076 
PY  - 2006///
CY  - Shah Alam
PB  - McGraw-Hill (Malaysia)
KW  - English language
KW  - Problems, exercises, etc
ER  -