00552naa#a2200181#i#450# EN\\bibl\85667 20241223180007.1 2658-3569 20161125b2016####ek#y0engy0150####ca ENG RU Conceptual approaches of providing competitiveness of services of show business Journal article Moscow Electronic science 2016 0 с. Journal article local Услуги, оказываемые населению. 338.465.4 ENG qje.su