Gudz P, Gudz M, Bezkhlibna A, Zaytseva V, Brutman A. Ensuring the competitiveness of the coastal region based on the study of the impact of cluster analysis results on the development of tourism in the conditions of the regenerative ecosystem. AmazInv [Internet]. 2023 Aug. 30 [cited 2024 Jul. 3];12(68):172-83. Available from: https://amazoniainvestiga.info/index.php/amazonia/article/view/2495