Hanna Haponenko, Vladyslav Vasylenko, Olena Yevtushenko, Irina Shamara. Рroblems and prospects of implementation of blockchain technologies in the tourist industry of Ukraine. IRECST [Internet]. 2021Dec.30 [cited 2024Apr.20];(14):142-53. Available from: https://periodicals.karazin.ua/irtb/article/view/18354