TY  - BOOK
AU  - Graves, George.
ED  - OSC Publishing.
TI  - IB Economics: Paper 3 : Numerical questions practice questions with answers 
T2  - OSCIB revision guides
SN  - 1907374310
U1  - 330 GRA 
PY  - 2012///
CY  - Oxford
PB  - OSC
KW  - IB programme
KW  - Economics
KW  - sears
KW  - IB
ER  -