List of Articles Saeid Ghobadi Article 1 - تخصیص بهینه منابع با بکارگیری جوابهای ایده آل S. Ghobadi S. Jahangiri Journal of New Researches in Mathematics , Issue 20 , Year , Autumn 2019 Article 2 - Inputs and Outputs Estimation in Inverse DEA سعید قبادی Iranian Journal of Optimization , Issue 5 , Year , Spring 2017 Article 3 - Merging DMUs Based on of the idea Inverse DEA 20.1001.1.25885723.2019.11.2.1.2 الهه زین الدین سعید قبادی Iranian Journal of Optimization , Issue 5 , Year , Spring 2019 Article 4 - Application of DEA to measure the efficiency of Open Source software projects 20.1001.1.25885723.2021.13.1.5.8 Ehsan Zanboori فاطمه رستمی سعید قبادی Iranian Journal of Optimization , Issue 1 , Year , Winter 2021