فهرس المقالات Heidar Lotfi المقاله 1 - planning And the systemic attitude of sovereignty Towards security and sustainable development of tourism In metropolises in Iran: a case study of Tehran metropolis 20.1001.1.20089562.2020.7.3.5.5 Komail Darvishi Heidar Lotfi Shahrzad Lotfi Journal of Tourism Hospitality Research , العدد 1 , السنة 7 , تابستان 2020
