000 00328nam a2200145Ia 4500
020 _a0000000000ECO
082 _bT-253
_a330
100 _a"ROBERT FRANK"
245 0 _aPRINCIPLES OF ECONOMICS
260 _aSINGAPORE
_c2001
300 _a834
944 _cTB
999 _c603299
_d603299