List of Articles قاسم توحیدی Article 1 - ارزیابی واحدهای تصمیم گیری با دادههای چند مرحلهای با استفاده از مدلهای DEA-R 10.30495/jnrm.2023.65511.2210 Mahsa Torkavannejad Behrouz Daneshian Ghasem Tohidi Mahnaz Maghbouli Farzin Modarres Khiyabani Journal of New Researches in Mathematics , Issue 43 , Year , Summer 2023 Article 2 - ارائه مدلهای هزینه و سود در حضور متغیرهای انعطافپذیر F. Matroud Gh. Tohidi Journal of New Researches in Mathematics , Issue 7 , Year , Autumn 2016 Article 3 - طبقه بندی عوامل انعطاف پذیر به کمک مفهوم فازی G. Tohidi S. Tohidnia Journal of New Researches in Mathematics , Issue 2 , Year , Summer 2015 Article 4 - Influence of undesirable output factor on efficiency determination in DEA: A Case study of hospital emergency Tehran Abbasali Monzeli Behrouz Danishian Tohidi Qassem Razaveian Shabnam Sanei Masoud International Journal of Data Envelopment Analysis , Issue 4 , Year , Summer 2020 Article 5 - Evaluating the Efficiency of Hospital Emergencies during COVID-19 Pandemic Crisis in the Presence of Undesirable Inputs in DEA 10.30495/fomj.2021.1943126.1040 Abbasali Monzeli Behrouz Daneshian Ghasem Tohidi Masoud Sanei Shabnam Razavyan Fuzzy Optimization and Modeling Journal , Issue 4 , Year , Summer 2021 Article 6 - Ranking of Decision-Making Units with Multi-Period Two-Stage Network Structure: a Method Based on Relative Data Envelopment Analysis Maghsoud Ahmad khanlou Gharakhanlou Nima Azarmir shotorbani Ghasem Tohidi Shabnam Razavyan Rohollah Abbasi Iranian Journal of Optimization , Issue 1 , Year , Winter 2022
