YANUAR, M. D.; MUHAMMAD, A. Upaya Organization for Security and Co-operation in Europe dalam Menangani Konflik di Ukraina Timur. Jurnal International & Diplomacy Universitas Satya Negara Indonesia, [S. l.], v. 3, n. 1, p. 121–138, 2017. Disponível em: https://jurnalhiusni.org/index.php/idu/article/view/178. Acesso em: 18 oct. 2025.