Radchenko, Yury, Viktoria Marenych, Olga Marchenko, Nadiya Kryvosheeva, Hanna Guzenko, and Tamila Shcheblykina. “Digital Transformations of Service Marketing: Theoretical Fundamentals and Directions”. ScienceRise, no. 2 (April 30, 2021): 37-43. Accessed November 28, 2022. https://journal.eu-jr.eu/sciencerise/article/view/1787.