00579naa#a2200169#i#450# EN\\bibl\9121 20240723100528.2 20230216b2023####ek#y0engy0150####ca RU CATERING DURING MASS SPORTS EVENTS Conference article/thesis Kemerovo Kemerovo State University 2023 2 с. Conference article/thesis local Домоводство. Коммунальное хозяйство. Служба быта. 64 Merkulova N. V. Krapiva Tatyana V. vestnik-pses.kemsu.ru