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040 _aUPES LIBRARY
_bEnglish
082 _a658.26
_bBAL
100 _aBalasubramanian, P.
_9473
245 _aEnergy auditing made simple
260 _aMylapore:
_bBala Consultancy Service,
_c2004
650 _aManagement
653 _aEnergy audit
942 _cBK
999 _c9335
_d9335