List of Articles تنگناها Open Access Article Abstract Page Full-Text 1 - Natural constraints of the development of the city of Lar (southern Fars province) M.R Servati Open Access Article Abstract Page Full-Text 2 - Study of Effective Factors on Rural Biological Settlements (Case Study: Sardasht City) Shirko Ahmadi Open Access Article Abstract Page Full-Text 3 - تحلیل توانمندی ها و تنگناهای وضعیت پیاده راه صف ( باغ سپه سالار ) منطقه 12 تهران و روندآن در گذر زمان احمد پوراحمد شهلا عباسی Open Access Article Abstract Page Full-Text 4 - تبیین چالش ها و راهکارها در گردشگری(مطالعه موردی شهر بروجرد) محمد مهرافزون Open Access Article Abstract Page Full-Text 5 - Investigating natural constraints on the physical development of Paveh city with emphasis on geomorphologic effects Amjad Maleki Bayan Azizi Open Access Article Abstract Page Full-Text 6 - Geomorphologic and physical growth of the city limits Tuyserkan using geographic information system(GIS)and digital elevation model(DEM) Seyyed Hassan Saduq Ali Fahim Open Access Article Abstract Page Full-Text 7 - - rasool smadzadeh atoosa bigdeli behnam fathi