TY  - BOOK
AU  - Yu,Cheng Chung
TI  - O-level essentials study guide additional matheamtics [geometry and trigonometry]
SN  - 9789812744524
U1  - 516 
PY  - 2010///
CY  - Singapore : 
PB  - SAP Group Pte Limited, 
KW  - Geometry
KW  - Trigonometry
ER  -