| 1. | Definition Expression on the Concept of Urban Ecotourism through Theoretical Review of Related Challenges | |
| Volume 41, Issue 1, May 2015, Pages 257-273 | ||
| Hamid Reza Sabbaghi; Manouchehr Tabibian | ||
| 1. | Definition Expression on the Concept of Urban Ecotourism through Theoretical Review of Related Challenges | |
| Volume 41, Issue 1, May 2015, Pages 257-273 | ||
| Hamid Reza Sabbaghi; Manouchehr Tabibian | ||