Portny E. Chapter IV. Chairmanship of the Organization for Security and Cooperation in Europe – Institutional and Historical Context . 65. в: Dulak M, редактор. Poland’s Chairmanship in the Organization for Security and Co-operation in Europe in 2022: Objectives and Their Implementation in the Face of the Russian-Ukrainian War [Интернет]. Poland: Księgarnia Akademicka Publishing; 2025 [цитируется по 6 ноябрь 2026 г.]. сс. 65-87. доступно на: https://books.akademicka.pl/publishing/catalog/book/760/chapter/16738