List of Articles Reliability Series-Parallel System Open Access Article Abstract Page Full-Text 1 - The Improvement of System Reliability Optimization Model and Finding an Optimal Solution Seyed-Jafar Sadjadi Saeed Jafari Open Access Article Abstract Page Full-Text 2 - The Improvement of System Reliability Optimization Model and Finding an Optimal Solution Seyed Jafar Sadjadi Saeed Jafari