List of Articles R. Fallahnejad Article 1 - The Generalized Returns to Scale for Multiplicative Models in Data Envelopment Analysis علیرضا داودی مسعود زارع پیشه رضا فلاح نژاد International Journal of Industrial Mathematics , Issue 4 , Year , Summer 2021 Article 2 - A New Decomposition of Cost Efficiency based on the Price and Cost based Production Possibility Sets in non-competitive space in DEA 10.30495/ijim.2021.19052 رضا فلاح نژاد الهام رضایی حزاوه International Journal of Industrial Mathematics , Issue 1 , Year , Winter 2022 Article 3 - Obtaining a Unique Solution for the Cross Efficiency by Using the Lexicographic method G. R. Jahanshahloo R. Fallahnejad Iranian Journal of Optimization , Issue 1 , Year , Winter 2014
