00648naa#a2200181#i#450# EN\\bibl\17398 20241224120715.2 1995-042X 20170705b2017####ek#y0engy0150####ca RUS RU ORGANIZATIONAL AND ECONOMIC PRINCIPLES OF DESIGN, DEVELOPMENT AND IMPROVEMENT OF SUBURBAN WALKING TRAILS Journal article CHERKIZOVO Russian State University of Tourism and Service 2017 14 с. Journal article local Туристско-экскурсионное обслуживание. 71.37 grnti Ilkevich Sergey naukaru.ru