List of Articles Saeid Shahghobadi Article 1 - کارایی قوی در تحلیل پوششی دادهها با تکنولوژی بازده به مقیاس متغیر Saeid Shahghobadi Farhad Moradi Journal of New Researches in Mathematics , Issue 13 , Year , Spring 2018 Article 2 - Increasing discrimination efficiency in data envelopment analysis with imprecise input and output Saeid Shahghobadi Farhad Moradi Abas Ghomashi International Journal of Data Envelopment Analysis , Issue 5 , Year , Autumn 2019