PORTNY, E. Chapter IV. Chairmanship of the Organization for Security and Cooperation in Europe – Institutional and Historical Context .......... 65. в: DULAK, M. (ред.). 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. Poland: Księgarnia Akademicka Publishing, 2025. p. 65–87.