000 00290nam a2200133Ia 4500
999 _c25804
_d25804
020 _a8185240639
100 _aTara Chand
245 _aEngineering Economics
250 _a13
260 _c1996
_bNEM CHAND & BROS
_aRoorkee (UP)
300 _axi+380
700 _aAgarwal V K
942 _cBB