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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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OPEC review : energy economics and related issues
OPEC - Oxford : Blackwell Publ.; 1976-1978: Vienna : …; … - 1.1976/77; 2.1978 - 3.1979,3; …
Persistent link: https://www.econbiz.de/10000361335
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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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UNWTO world tourism barometer
World Tourism Organization - Madrid : [Verlag nicht ermittelbar] - 1.2003 -
Persistent link: https://www.econbiz.de/10003375248
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UNWTO world tourism barometer
World Tourism Organization - Madrid - Nachgewiesen 6.2008 - 16.2018
Persistent link: https://www.econbiz.de/10003701949
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Annual report / Organization of the Petroleum Exporting Countries
OPEC - Vienna : [Verlag nicht ermittelbar] - 2001 -
Persistent link: https://www.econbiz.de/10010376820
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OPEC energy review
OPEC - Oxford : Wiley-Blackwell - 32.2008 -
Persistent link: https://www.econbiz.de/10003750139
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OPEC bulletin / Organization of the Petroleum Exporting Countries
OPEC - Vienna : [Verlag nicht ermittelbar] - Nachgewiesen 32.2001 -
Persistent link: https://www.econbiz.de/10002214060
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Yearbook of tourism statistics : A - L ; M - Z ; statistical data in Excel format
World Tourism Organization - Madrid - 2005 nachgewiesen
Persistent link: https://www.econbiz.de/10003263357