Megatrends in international tourism proceedings of the International Forum held April 2-3, 1987
| Awdur Corfforaethol: | |
|---|---|
| Awduron Eraill: | |
| Fformat: | Llyfr |
| Iaith: | English |
| Cyhoeddwyd: |
Rome
Editrice Agnesotti
c1987.
|
| Pynciau: |