000 00314nam a2200133Ia 4500
008 230913s9999 xx 000 0 und d
100 _aUptu, B.Tech
245 0 _aTutorial Question Bank (Ec) Vith Sem
260 _aNEW DELHI
260 _bGALGOTIA
260 _c2003
300 _a296
650 _aGeneral Books
999 _c137290
_d137290