List of Articles Two-stage Network Open Access Article Abstract Page Full-Text 1 - The overall efficiency and projection point in network DEA Zeinab Aghababazadeh Shima Aghababazadeh Open Access Article Abstract Page Full-Text 2 - Finding Common Weights in Two-Stage Network DEA Mohammad Reza Mozaffari mehrnoosh khazraei Open Access Article Abstract Page Full-Text 3 - Input Estimation in Two-Stage Systems with Undesirable Outputs Based on Cost Efficiency Zahra Shiri Daryani Shabnam Razavyan 10.30495/ijdea.2022.68962.1179 Open Access Article Abstract Page Full-Text 4 - Efficiency and Return to Scale of Two-Stage network in Data Envelopment Analysis Using Additive Model Mahboobeh Joghataie Farhad Hosseinzadeh lotfi Tofigh Allahviranloo Open Access Article Abstract Page Full-Text 5 - Calculation of the Efficiency of Two-Stage Network Structures with Additional Inputs to the Second Stage by SBM Approach: A Case Study on Credit Branches of an Iranian State Bank in Guilan Province Saeed Jahangard Patavani Nasima Mahboubi Open Access Article Abstract Page Full-Text 6 - Outputs Estimation and Efficiency Improvement of Two-Stage Network Systems Zahra Shiri Daryani Sahbnam Rzavyan