List of Articles Two-stage Network Open Access Article Abstract Page Full-Text 1 - Classifying Flexible Measures in Two-Stage Network DEA سیده نسرین حسینی منفرد محمدرضا مظفری محسن رستمی مال خلیفه 10.30495/ijim.2022.19684 Open Access Article Abstract Page Full-Text 2 - Performance assessment of Two-stage network structures with the presence of contextual variables Peiman Alidoust Zoghi Maryam Nematizadeh Maryeh Nematizadeh Open Access Article Abstract Page Full-Text 3 - Efficiency Measurement in Two-Stage Network Structures Considering Undesirable Outputs A. Amirteimoori A. Toloie-Eshlaghi M. Homayoonfar