000 00381nam a2200145 4500
999 _c4936
_d4936
020 _a9785870921
020 _a9789785870923
082 _a338.2728SAL
100 _aSalim Ahmed
245 _aAn Introduction to Petroleum Industry: upstream sector
260 _aIslamabad:
_bPetroleum Design Publications,
_c2014.
300 _a108p. ;
650 _aPetroleum Industry
942 _cBK