Ibroximova Nafosat Abdusattor kizi. Methodological basis of evaluation of efficiency and productivity in service enterprises. Euro. J.His.Geo. Eco. [Internet]. 2022 Oct. 7 [cited 2024 Nov. 26];13:15-24. Available from: https://geniusjournals.org/index.php/ejhge/article/view/2276