KADIROVA, Sh.Kh.; LUSTINA, T.N. Regional differentiation of tour operator activity in Uzbekistan: comparative analysis of the tourism clusters of Samarkand, Bukhara and Khiva. Service PLUS, [S. l.], v. 20, n. 2, p. 40–46, 2026. DOI: 10.22412/2413-693X-2026-20-2-40-46. Disponível em: https://service-plus-journal.ru/index.php/service-plus/article/view/64. Acesso em: 5 may. 2026.