TY  - BOOK
AU  - Alchin,Nicholas
AU  - Henly, Carolyn P.
TI  - Theory of knowledge: for the IB diploma
SN  - 9781471804151
U1  - 121 
PY  - 2014///
CY  - London
PB  - Hodder Education 
N1  - Includes index
ER  -