1. CHAPTER 6 The use of cluster analysis tools in substantiating managerial decisions for the formation of local strategies for the development of tourism services markets // ECONOMETRIC MODELING OF MANAGERIAL DECISIONS AT THE MACRO AND MICRO LEVELS / editor . — Kharkiv: TECHNOLOGY CENTER PC, 2021. — ISBN: 978-617-7319-38-1. — DOI: 10.15587/978-617-7319-37-4.ch6.