N.P. Karachyna, M.O. Samofalova, Y.V. Bilyak, N.I. Drahnieva. “An Analysis of Variability and Mutual Coordination of Models of Economic Behavior of Enterprises in Digital Space ”. International Journal of Advanced Science and Technology 29, no. 6s (April 13, 2020): 1057 - 1065. Accessed May 8, 2024. http://sersc.org/journals/index.php/IJAST/article/view/9174.