List of Articles series Systems Open Access Article Abstract Page Full-Text 1 - Redundancy Allocation Optimization Based on the Fuzzy Universal Generating Function approach in the Series-Parallel Systems Mohammadreza Shahriari 10.30495/ijim.2023.68611.1614 Open Access Article Abstract Page Full-Text 2 - Measurement of Inefficiency Slacks in Network Data Envelopment Analysis حسین عزیزی علیرضا امیرتیموری سهراب کردرستمی