List of Articles Complex Systems Open Access Article Abstract Page Full-Text 1 - Designing a Model for the Realization of Economic Complexity, Based on the Meta-Analysis of Scientific Research Mohammad Mahdi Ahmadian Divkoti Hassanali Aghajani meysam shirkhodaei Amir Mansour Tehranchian 10.52547/jstpi.20749.15.59.19 Open Access Article Abstract Page Full-Text 2 - The Strategies for Improving Financial and Economic Interactions of Municipalities and Service Companies (Case Study: Tehran Municipality and Water and Electricity Providers) Reza Mahdi