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040 _aUPES LIBRARY
_bEnglish
082 _a338.823
100 _aCCE UPES
245 _aUnderstanding oil & gas business
260 _aNew Delhi :
_bUPES,
_c2013
300 _a345p.
650 _aNatural resources
942 _cBK
999 _c16071
_d16071