Klochko EN, Nasimov D, Gurfova RV, Tokareva TY. The Essence of the Conceptual Model of Service Enterprises Modernization. IJEFI [Internet]. 2016 May 9 [cited 2024 Nov. 14];6(1S):187-94. Available from: https://econjournals.com./index.php/ijefi/article/view/2377