00589naa#a2200181#i#4500001002200000005001700022011001400039100004100053101000800094102000700102200009100109210005100200215001000251608002700261675007100288700003300359856001500392EN\INFRA-M\bibl\2061420240501092616.3##a2587-9111##a20180425b2018####ek#y0engy0150####ca0#aRUS##aRU1#aEcological Tourism in the Region (on the Example of the Pskov Region)eJournal article1#aMoscowcINFRA-M Academic Publishing LLC.d2018##a8 с.##aJournal article2local##aЭкономика. Экономические науки. 33zRUS#1aNikolaychukgOlga Alekseevna4#anaukaru.ru