ZAYNALOV J. R; DAVLATOVA M. P. TO THE QUESTION OF ESTIMATING THE EFFICIENCY OF TOUR ENTERPRISES POTENTIAL USE. International Engineering Journal For Research & Development, [S. l.], v. 6, n. ICDSIIL, p. 3, 2021. DOI: 10.17605/OSF.IO/DSNZ5. Disponível em: https://iejrd.com/index.php/iejrd/article/view/1677. Acesso em: 17 apr. 2026.