Kovalchuk, Svitlana, Olena Arefieva, Anna Shevchenko, Oleksandr Kononov, and Mykola Subachov. “The Use of Digital Marketing Technologies in the Commercial Activity to Increase Enterprises’ Value in the COVID-19 Conditions”. Journal of the University of Zulia 14, no. 40 (May 4, 2023): 506-522. Accessed August 2, 2025. https://produccioncientifica.luz.edu.ve/index.php/rluz/article/view/40081.