00555naa#a2200181#i#450# EN\\bibl\2656 20240717130737.3 1999-5644 20140527b2014####ek#y0engy0150####ca RUS RU On Regional Hospitality Standards Development (Case study: Yaroslavl Region) Journal article CHERKIZOVO Russian State University of Tourism and Service 2014 6 с. Journal article local Vapnyarskaya Olga Igorevna Asoyan Tigran naukaru.ru