00492naa#a2200169#i#450# EN\\bibl\12887 20240509135135.4 1995-0411 20160913b2016####ek#y0engy0150####ca RUS RU DEVELOPMENT OF ETHNO-TOURISM IN THE MARI EL REPUBLIC Journal article CHERKIZOVO Russian State University of Tourism and Service 2016 5 с. Journal article local Okhotina Natalya naukaru.ru