L. Korolchuk, Olena, Tetiana O. Artiukh, Tetiana V. Zaporozhets, Nataliia O. Vasiuk, and Yevhenii Kulhinskyi. 2020. “Effectiveness of Management in Public Administration in Complex and Crises Situations”. Revista San Gregorio 1 (42). https://doi.org/10.36097/rsan.v1i42.1546.