Akbarjonovna, Usmanova Nasiba, Kilichov Bobir Khujakul Ugli, and Nishonova Mavluda Shuxratjon qizi. 2025. “Improving the Methodology for Assessing Quality and Efficiency in the Service Sector”. American Journal of Economics and Business Management 8 (7):3088-94. https://doi.org/10.31150/ajebm.v8i7.3766.