L. Korolchuk, O., O. Artiukh, T., V. Zaporozhets, T., O. Vasiuk, N., & Kulhinskyi, Y. (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