4 لغایت 6 خرداد ماه 1390   دانشگاه آزاد اسلامی واحد زاهدان زاهدان - ایران     The First National Conference of Tourism and Sustainable Development in Sistan & Baluchestan Provience   25-27 May 2011   Islamic Azad University Zahedan Branch Zahedan - IRAN