List of Articles مجتبی نجفی Article 1 - Optimal and Intelligent Designing of Stand-alone Hybrid Photovoltaic/Wind/Fuel Cell System Considering Cost and Deficit Load Demand Probability, Case Study for Iran (Bushehr City) 20.1001.1.25887327.2020.4.2.6.0 Eisa Ansari Nezhad Mojtaba Najafi Signal Processing and Renewable Energy , Issue 2 , Year , Spring 2020