AKBARJONOVNA, Usmanova Nasiba; KHUJAKUL UGLI, Kilichov Bobir; SHUXRATJON QIZI, Nishonova Mavluda. Improving the Methodology for Assessing Quality and Efficiency in the Service Sector. American Journal of Economics and Business Management, [S. l.], v. 8, n. 7, p. 3088–3094, 2025. DOI: 10.31150/ajebm.v8i7.3766. Disponível em: https://globalresearchnetwork.us/index.php/ajebm/article/view/3766. Acesso em: 12 jul. 2025.