List of Articles هزینههای اجتماعی Open Access Article Abstract Page Full-Text 1 - A model for evaluating monetary equivalent of social costs stemmed from noise pollution in implementation of urban infrastructures (Case Study: Tehran Sewage Network) Borna Mirahmadian Masoud Babakhani Open Access Article Abstract Page Full-Text 2 - A method to estimate the solution of a weakly singular nonlinear integro-differential equations by applying the homotopy methods آیدین اعتماد Open Access Article Abstract Page Full-Text 3 - The effect of social spending and economic growth and income distribution in Iran GH.R Garaei nejad حسین Mirzaei مریم Haji taheri