00754naa#a2200217#i#450# EN\\bibl\18704 20240502173228.4 1995-042X 20171026b2017####ek#y0engy0150####ca RUS RU PROBLEMS OF COMPETITIVENESS IN THE MARKET OF PUBLIC CATERING SERVICES OF SAINT PETERSBURG Journal article CHERKIZOVO Russian State University of Tourism and Service 2017 17 с. Journal article local Туристско-экскурсионное обслуживание. 71.37 grnti Pecheritsa Elena V. Tatiana O. POPOVA Tatiana O. TESTINA Jana S. KUCHUMOV Artur V. rguts.editorum.ru