List of Articles ونسیم Open Access Article Abstract Page Full-Text 1 - A dynamic approach to improving the rubber recycling industry using the dynamics of the system sayyed mohammad reza davoodi Mona Beyranvand Open Access Article Abstract Page Full-Text 2 - Social interactions and its place in the assessment model of social and cultural effects (cultural attachment) of modern business and entertainment centers, Mashhadmal رخشاد حجازی سید محمد حسینی سید علی جوزی سید محمود هاشمی Open Access Article Abstract Page Full-Text 3 - Designation of decision support systems for crisis management (Case study: Tehran water crisis management with use “Vensim” software) marzieh mogholi Amirhooshang Khadem Daghigh Hasan Hoseini Amini Open Access Article Abstract Page Full-Text 4 - Dynamic System Model of Steel Industry Supply Chain with Economic Goals Approach Reza Besharatizadeh Reza Radfar َAbbas Toloie Ashlaghi Open Access Article Abstract Page Full-Text 5 - تخصیص بهینهی نظامهایهای منابع آب با استفاده از سامانهی پویا محمد تقی اعلمی بهزاد آقابالایی محمدحسین احمدی سعید فرزین