List of Articles valve- point effect Open Access Article Abstract Page Full-Text 1 - Economic Load Dispatch with Considering the Valve-Point Effects and Ramp Rate Limits of Generators Using Evolutionary Algorithms Mostafa Ramzanpour Hamdi Abdi Open Access Article Abstract Page Full-Text 2 - Solving the Economic Load Dispatch Problem Considering Units with Different Fuels Using Evolutionary Algorithms Mostafa Ramzanpour Hamdi Abdi