Tkachuk, Olesia. «Successes and Failures in the Implementation of the Eastern Partnership Objectives in a Changing Security Environment . 41». Eastern Partnership: The Role and Significance in the Process of Transformation of the Countries of Eastern Europe and the South Caucasus, под редакцией Piotr Bajor, Księgarnia Akademicka Publishing, 2021, https://doi.org/10.12797/9788381386425.03.