00724naa#a2200193#i#450# EN\\bibl\17283 20240504105135.6 1995-0411 20170628b2017####ek#y0engy0150####ca RUS RU CURRENT PROBLEMS OF USING CULTURAL HERITAGE SITES IN HISTORICAL CITIES FOR TOURIST PURPOSES (EXPERIENCE OF THE CITY OF KALININGRAD) Journal article CHERKIZOVO Russian State University of Tourism and Service 2017 10 с. Journal article local Туристско-экскурсионное обслуживание. 71.37 grnti MITROFANOVA Anna V. Filippov Yuriy Yu. spst-journal.editorum.ru