Levchenko, T. P., M. B. Moldazhanov, V. V. Purichi, and I. V. Strishkina. “METHODOLOGICAL APPROACH TO CREATING A MODEL OF COST-EFFECTIVE MECHANISM FOR MANAGING INNOVATIVE ACTIVITY OF HOTEL ORGANIZATIONS”. Economics Profession Business, no. 2, June 2021, pp. 68-76, doi:10.14258/epb202124.