USMANOVA DILFUZA ILKHOMOVNA. IMPACT ON THE EFFECTIVENESS OF MARKETING SERVICES IN HOTELS DETERMINING FACTORS AND THEIR DETERMINATION. International Journal on Economics, Finance and Sustainable Development, [S. l.], v. 5, n. 4, p. 74–77, 2023. DOI: 10.31149/ijefsd.v5i4.4281. Disponível em: https://journals.researchparks.org/index.php/IJEFSD/article/view/4281. Acesso em: 25 sep. 2026.