Quality control of tourism products and services.
| Awdur Corfforaethol: | |
|---|---|
| Fformat: | Llyfr |
| Iaith: | English |
| Cyhoeddwyd: |
Madrid
World Tourism Organization
1988.
|
| Cyfres: | [Publications] / World Tourism Organization
[no. 42] |
| Pynciau: |