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020 _a9788121928120
_c3030
040 _beng
_cSSK Library
_erda
082 _a620.0068/GUP
100 _a A. K. Gupta
245 0 _aEngineering Management
260 _b S. Chand & Company Ltd.
_c©2007
942 _22ddc
_cBOOK
_nNo
999 _c9165
_d9165
003 OSt
005 20241127152800.0