00642naa#a2200193#i#4500001002200000003001700022005001700039011001400056100004100070101000800111102000700119200009100126210005100217215001000268608002700278675007100305700003300376856003900409EN\INFRA-M\bibl\20614/en/manage/index20250302212007.7##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#atest.editorum.ruu/en/manage/index