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040 _SPC
245 _aTECHNOLOGICAL CHANGE: ITS CONCEPTION AND MEASUREMENT.
_hBook
250 _a1
260 _c1966
_bPRENTICE HALL OF INDIA
_a
300 _a0
041 _aEnglish
082 _a331
_bLAV/T
942 _h331
_iLAV/T
_cBK
650 _aECONOMICS
653 _aECONOMICS P G
100 _aLAVE LESTER V
999 _c15802
_d15802