Seminar on "Travel and Tourism", Stresa, 19th-22nd October, 1977.
| Awduron Corfforaethol: | , |
|---|---|
| Fformat: | Llyfr |
| Iaith: | English |
| Cyhoeddwyd: |
Amsterdam
European Society for Opinion and Marketing Research Association
1977.
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| Pynciau: |