Klochko, Elena N., Dilmurod Nasimov, Rita V. Gurfova, and Tatyana Y. Tokareva. “The Essence of the Conceptual Model of Service Enterprises Modernization”. International Journal of Economics and Financial Issues 6, no. 1S (May 9, 2016): 187–194. Accessed May 2, 2024. https://www.econjournals.com/index.php/ijefi/article/view/2377.