List of Articles سازمان خدمات پس از فروش Open Access Article Abstract Page Full-Text 1 - Designing a Credit Risk Management Model in the Network of after-sales service companies Using Financial Components of After-Sales Services and Metaheuristic Algorithms (Case study: Saipa's after-sales service company(Saipa Yadak)) Hamid reza Radmannejad Mohammad Ebrahim Mohammad Pourzarandi Mehrzad Minouei