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• abbasiyan.hossein Assessing the value efficiency of each unit in relation to the tangent hyper plane in DEA (units including negative data with interval scale) [ Vol.14, Issue 3 - Summer Year 2022]
• Amirteimoori.Alireza Analysis of environmental efficiency and marginal rate of substitution in the presence of undesirable factors: A DEA-based approach [ Vol.14, Issue 2 - Spring Year 2022]
• Aniki.Samuel Adamariko A Constructive Scheme for Tripled Fixed Point Problems in Hilbert Space [ Vol.14, Issue 2 - Spring Year 2022]
• Azarmir Shotorbani.Nima Ranking of Decision-Making Units with Multi-Period Two-Stage Network Structure: a Method Based on Relative Data Envelopment Analysis [ Vol.14, Issue 1 - Winter Year 2022]