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Annual report / Organization of the Petroleum Exporting Countries
OPEC - Vienna : Organization of the Petroleum Exporting …; … - 12.1977 - 14.1979; 1980 -
Persistent link: https://www.econbiz.de/10000368589
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OPEC bulletin / Organization of the Petroleum Exporting Countries : weekly digest of world press
OPEC - Vienna - [1.][19]66; Nr. 2.[19]67 - 10.1967(Nov.); Nr. …
Persistent link: https://www.econbiz.de/10000369035
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Compendium of tourism statistics
World Tourism Organization - Madrid : World Tourism Organization - Ed. 7.1981/85(1986)-37 (2011/2015) ; damit Erscheinen …
Persistent link: https://www.econbiz.de/10000435275
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Compendium of tourism statistics
World Tourism Organization - Madrid : World Tourism Organization - 2011-
Persistent link: https://www.econbiz.de/10012421452
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International tourism highlights
World Tourism Organization - Madrid : World Tourism Organization (UNWTO) - 2019 edition-
Persistent link: https://www.econbiz.de/10012500823
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Annual report
World Tourism Organization - Madrid : World Tourism Organization (UNWTO) - 2011-2017 ; damit Erscheinen eingestellt
Persistent link: https://www.econbiz.de/10012228663
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UNWTO tourism highlights
World Tourism Organization - [Madrid] : [UNWTO]; Madrid : World Tourism Organization … - 2010 edition-2018 edition
Persistent link: https://www.econbiz.de/10012254421