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| Number of Proceedings: 2 | ||
| 1 | The influential of obstacles to tourism marketing of natural-sports places in Tehran province | |
| Zahra Alam* , ali yazdanparast | ||
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| 2 | A Scrutiny of Coastal Sports Events on Technology Development | |
| seyedeh sedigheh babaei* , seyed mohammad hossein razavi, morteza Dosti Pasha, Saeed Amirnejad | ||
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