SEROHINA, N., PIKHURETS, O., SUKHATSKYI, R., YEVLAKHOVA, E., LYTVYN, S., & MIROSHNYKOV, I. (2021). On the Problems of Amending the Terms of the Contract on the Provision of Tourism Services during the COVID-19 Pandemic. Journal Of Environmental Management And Tourism, 12(1), 302-306. doi:10.14505//jemt.v12.1(49).26