List of Articles Automakers Open Access Article Abstract Page Full-Text 1 - Automakers Clustering based on Economic Production Function using Data Envelopment Analysis S. Rezaei Gh.R. Amin M.Gh. Ariyanezhad Open Access Article Abstract Page Full-Text 2 - Designing and developing a model for optimal credit risk management in the network of after-sales service companies of automakers Hamid reza Radmannejad Mohammad Ebrahim Mohammadpoor Zarandi Mehrzad minouei