000 00303nam a2200133Ia 4500
008 220201s1979 xx 000 0 eng d
100 _aMAHESH CHAND
245 0 _aECONOMICS FOR ENGINEERS
250 _a1
260 _aDELHI
_bLIGHT AND LIFE PUB
_c1979
300 _a237
700 _aALI
942 _2ddc
999 _c89821
_d89821