CLASSIC THEORIES OF EXTERNALITIES AND MODERN INFORMATION TECHNOLOGIES FOR THE ANALYSIS OF EXTERNAL EFFECTS FROM THE BUSINESS ACTIVITIES OF THE TOURIST CLUSTER “POLTAVA BATTLEFIELD”

Authors

• T. Nepokupna https://orcid.org/0000-0002-4688-5954
• B. Shevchenko https://orcid.org/0000-0002-3952-5205
• O. Sakalo https://orcid.org/0000-0002-1136-6695
• O. Dmytrienko https://orcid.org/0000-0002-8414-1964
• S. Stepanenko https://orcid.org/0000-0002-1524-2577