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Sozdanie rekreacionnogo centra Valdaja
Korolev, V. - In: Ėkonomist : ežemesjačnyj naučno-praktičeskij žurnal (2001) 3, pp. 60-65
Persistent link: https://www.econbiz.de/10001573788
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Strategija ustojčivogo razvitija ėkologičeskogo turizma v Belarusi
Gajdukevič, Leonid Michajlovič (contributor) - 2008
Persistent link: https://www.econbiz.de/10003810678
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Ustojčivoe razvitie rekreacionno-ėkonomičeskogo kompleksa Kryma
Efremov, A. V. (contributor) - 2002
Persistent link: https://www.econbiz.de/10001741437
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Obespečenie ochrany oz. baikal i racionalʹnoe ispolʹzovanie prirodnych resursov ego bassejna : problemy razrabotki i realizacii federalʹnoj kompleksnoj programmy
Dumova, Irina Ivanovna - In: Region: ėkonomika i sociologija : vserossijskij … (1997), pp. 76-93
Persistent link: https://www.econbiz.de/10001245937
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Ėkologičeskaja bezopasnostʹ, ustojčivoe razvitie i prirodoochrannye problemy
Danilov-Danilʹjan, Viktor Ivanovič (contributor) - 1999
Persistent link: https://www.econbiz.de/10001703248
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Ochranjaemye territorii Moskovskoj Oblasti i ėkonomika prirodopolʹzovanija
Valʹjano, N. M. - In: Vestnik Moskovskogo Universiteta / 6 : naučnyj žurnal (1998) 5, pp. 89-99
Persistent link: https://www.econbiz.de/10001430963
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Osobo ochranjaemye prirodnye territorii v Rossii i zadači ich statističeskoj ocenki
Dumnov, A. D.; Borisov, S. S.; Maksimov, Jurij I. - In: Voprosy statistiki : naučno-informacionnyj žurnal (2001) 10, pp. 23-35
Persistent link: https://www.econbiz.de/10001667032
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Razvitie ėkologičeskogo turizma v Kazachstane
Demesinova, Galija Chajyržanovna - In: Ėkonomika i statistika : ežekvartalʹnyj … (2009) 4, pp. 113-116
Persistent link: https://www.econbiz.de/10003974448