ORGANIZATION OF ADDITIONAL SERVICES IN HOTELS: SCIENTIFIC ANALYSIS AND PRACTICAL ASPECTS. Synergy: Cross-Disciplinary Journal of  Digital Investigation (2995-4827), [S. l.], v. 3, n. 1, p. 31–33, 2025. Disponível em: https://multijournals.org/index.php/synergy/article/view/3124. Acesso em: 7 apr. 2026.