000 00249nam a22000977a 4500
008 170811b xxu||||| |||| 00| 0 eng d
020 _a9781471804151
245 _aTHEORY OF KNOWLEDGE
_bTHIRD EDITION
_hENGLISH
300 _aPAPERBACK
942 _2ddc
_cBK
999 _c10899
_d10899