'Collectively, the 11 members of this organization supply about 40% of the world's oil output'
OPEC
ORGANIZATIONS: Collectively, the 11 members of this organization supply about 40% of the worlds oil output
Collectively, the 11 members of this organization supply about 40% of the world's oil output
Collectively, the 11 members of this organization supply about 40% of the world's oil output
ORGANIZATIONS
OPEC
ORGANIZATIONS