Skrypniuk, O., Melnykovych, M., Strunevych, O., Kubko, A. et Saranov, S. 2022. Transformation of the political regime in Ukraine in the times of independence: stages and features. Amazonia Investiga. 11, 58 (nov. 2022), 47–56. DOI:https://doi.org/10.34069/AI/2022.58.10.5.