List of Articles Mazdak Khodadadi-Karimvand Article 1 - Safety Risk Assessment; Using Fuzzy Failure Mode and Effect Analysis and Fault Tree Analysis 10.30495/tfss.2022.1954304.1016 Mazdak Khodadadi-Karimvand Sara Taherifar Transactions on Fuzzy Sets and Systems , Issue 2 , Year , Autumn_Winter 2022 Article 2 - Proposing a Conceptual Model of Critical Success Factors in Lean Production Using Interpretive Structural Modeling and Fuzzy MICMAC Analysis 10.30495/tfss.2023.1999063.1087 Mazdak Khodadadi Karimvand Hadi Shirouyehzad Farhad Hosseinzadeh Lotfi Transactions on Fuzzy Sets and Systems , Issue 5 , Year , Spring_Summer 2024 Article 3 - An Analysis of the COVID-19 Contagion Growth in European Countries 20.1001.1.25885723.2020.12.1.2.8 Hadi Shirouyezad Javid Jouzdani Mazdak Khodadai-karimvand Iranian Journal of Optimization , Issue 2 , Year , Winter 2020