国际法协会 国际法协会 - For the study, clarification and development of International Law. The International Law Association ILA is a non-profit organisation that promotes "the study, clarification and development of international law" and "the furtherance of international understanding and respect for international law".
石油输出国组织[协] 石油输出国组织[协] - OPEC Organization of the Petroleum Exporting Countries is an intergovernmental organization oil demand supply market upstream downstream Vienna Austria