Suchergebnisse - The Organization
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Summary of developments in the fields of world economy, demography and energy prospects for tourism.
Veröffentlicht 1981Buch -
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Adapting new technologies to tourism remote data processing as a case study among others.
Veröffentlicht 1981Buch -
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Guidelines for the collection of employment statistics in the field of travel and tourism.
Veröffentlicht 1983Buch