List of Articles product life cycle Open Access Article Abstract Page Full-Text 1 - Provide a product life Cycle Optimization Model Using Agent Based Simulation mohammad farahbakhsh mahmod modiri seyed mohammad ali khatami firozabadi alireza Puorebrahimi Open Access Article Abstract Page Full-Text 2 - Comparative studies of three types of products (remanufacturing, refurbished and new products) on warranty cost and profitability Jafar RaamBejandi Mahsa SoltaniNeshan Ayyub Ansarinejad Somayeh TaghipourVagargah