فهرس المقالات Maryam Nematizadeh المقاله 1 - Performance assessment of Two-stage network structures with the presence of contextual variables Peiman Alidoust Zoghi Maryam Nematizadeh Maryeh Nematizadeh International Journal of Industrial Mathematics , العدد 5 , السنة 15 , تابستان 2023