000 00295nam a2200121Ia 4500
008 220821s2011 xx 000 0 eng d
100 _aSANGAL, J. & SINGH H. N.
245 0 _aENGINEERING & MANAGERIAL ECONOMICS
250 _a1ST
260 _bSHUBHAM
_c2011
300 _a288
942 _2ddc
_cBTECH
999 _c2186
_d2186