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- Agence Europe 1 Treffer
- Institut national de la langue française (France) 1 Treffer
- International Energy Agency 1 Treffer
- International Transport Forum 1 Treffer
- Marouzeau, J. (Jules), 1878-1964 1 Treffer
- OECD Nuclear Energy Agency 1 Treffer
- Organisation for Economic Co-operation and Development 1 Treffer
- Organisation for Economic Co-operation and Development. Development Centre 1 Treffer
- Programme for International Student Assessment 1 Treffer