| Author = ali yazdanparast | ||
| Number of Proceedings: 1 | ||
| 1 | The influential of obstacles to tourism marketing of natural-sports places in Tehran province | |
| Zahra Alam*; ali yazdanparast | ||
| Show Article | ||
| Author = ali yazdanparast | ||
| Number of Proceedings: 1 | ||
| 1 | The influential of obstacles to tourism marketing of natural-sports places in Tehran province | |
| Zahra Alam*; ali yazdanparast | ||
| Show Article | ||