Kobets, Dmytro. “Evolution of Marketing Activities in the Concept of ‘Marketing 1.0 - 5.0’ through the Prism of Digitalization”. International Science Journal of Management, Economics & Finance 2, no. 2 (April 1, 2023): 63–75. Accessed May 12, 2024. https://isg-journal.com/isjmef/article/view/376.