00627naa#a2200205#i#450# EN\\bibl\14763 /en/manage/index 20250113054905.1 1993-7768 20161222b2016####ek#y0engy0150####ca RUS RU Statistical approaches to service quality management Journal article CHERKIZOVO Russian State University of Tourism and Service 2016 9 с. Journal article local Lavrenchenko Sergey Zgonnik Lyudmila Vladimirovna Gladskaya Inna fht.editorum.ru /en/manage/index