1. Organization of the Petroleum exporting Countries "OPEC"
پدیدآورنده : by Mana Saeed Al Otaiba
کتابخانه: Library of the Faculty of Economics University of Tehran (Tehran)
موضوع : Organization of petroleum Exporting countries,Petroleum industry and trade
رده :
HD
9560
.
5
.
O85
2. Organization of the Petroleum Exporting Countries, "OPEC"
پدیدآورنده :
کتابخانه: State Department Library (Tehran)
موضوع : Petroleum industry and trade
رده :
{
1648
},
c8f4c4d95bd7cbdb5928fa225043f89d
