Quality tourism concept of a sustainable tourism development, harmonizing economical, social and ecological interests.
| निगमित लेखक: | |
|---|---|
| स्वरूप: | पुस्तक |
| भाषा: | English |
| प्रकाशित: |
St. Gall (Suisse)
AIEST
1991.
|
| श्रृंखला: | Publication de l'AIEST
v. 33 |
| विषय: |