List of Articles Open Access Article Abstract Page Full-Text 1 - Modeling and Simulation of the Bitcoin Price by the System Dynamics Method Roohollah Sharafian Ardekani Amir Daneshvar Mehdi Madanchi Zaj Fereydon Rahnamaroodposhti Open Access Article Abstract Page Full-Text 2 - Portfolio Optimization Problem Considering Cardinality and Bounding Constraints Using a Metaheuristic Algorithm Shohreh Zakaei Mohammadreza Sanaei Akbar Mirzapour Babajan Open Access Article Abstract Page Full-Text 3 - Analysis of Urban Management Performance Model (Case Study: Shiraz Municipality) mohammad Amin Mehrvarz leila saeedi Karamollah Daneshfard Open Access Article Abstract Page Full-Text 4 - Verification and Validation of the New Product’s Outcomes Development on Open Innovation in Small and Medium Amir Tooraj Kalantari mahsa akbari vahid makizadeh Open Access Article Abstract Page Full-Text 5 - Identification of Factors Affecting External Oversight and Audit Partner Identification on Audit Quality of Firms Listed on Tehran Stock Exchange Davood Ahmadi Nargeseh Nader Khedri Rasoul Karami Open Access Article Abstract Page Full-Text 6 - Identifying and Ranking Dimensions, Components, and Indicators of Intangible Organizational Assets of the Ministry of Interior Using Fuzzy Inference normohammad ghiasvand ali mehdizadeashrafi Majid Jahangirfard