OPEC Bulletin http://magz.yabesh.ir/magz/handle/emyd/1317 Fri, 31 Jul 2026 03:20:28 GMT 2026-07-31T03:20:28Z OPEC Bulletin 2017 (Vol XLVIII) (issue 01) http://magz.yabesh.ir/magz/handle/emyd/6279 OPEC Bulletin 2017 (Vol XLVIII) (issue 01) Sun, 01 Jan 2017 00:00:00 GMT http://magz.yabesh.ir/magz/handle/emyd/6279 2017-01-01T00:00:00Z