TY  - BOOK
AU  - Rayner, David
AU  - Rayner, David
TI  - Extended mathematics for IGCSE
SN  - 9780199149940
AV  - 510 
U1  - 510 
PY  - 2005///
CY  - Oxford University press
PB  - New York
KW  - Technobasics
ER  -