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List of Articles Shabnam Razavyan Open Access Article Abstract Page Full-Text 1 - Evaluating the Efficiency of Hospital Emergencies during COVID-19 Pandemic Crisis in the Presence of Undesirable Inputs in DEA Abbasali Monzeli Behrouz Daneshian Ghasem Tohidi Masoud Sanei Shabnam Razavyan 10.30495/fomj.2021.1943126.1040 Open Access Article Abstract Page Full-Text 2 - Efficiency of Extended Two-Stage Systems in Presence of Triangular Fuzzy Number Manoochehr Ziyae Berentin Ghasem Tohidi Shabnam Razavyan Mahnaz Barkhordari Ahmadi 10.30495/fomj.2022.1946194.1050