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020 _a9788184873399
041 _aeng
082 _a338.064
_bMAN
100 _aMandal, K
245 _aSocio Economic and Technological Innovations
250 _a1
260 _aNew Delhi
_bNarosa Publishing House
_c2014
300 _a539
365 _b1225
500 _aSocio Economics, Technological Innovations
650 _aSocio Economics, Technological Innovations
999 _c5467
_d5467