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• Raeisi.Ghaffar -λ coloring of graphs and Conjecture Δ ^ 2 [ Vol.2, Issue 4 - Winter Year 1395]
• Rostamy-Malkhalifeh.Mohsen Efficiency and Effectiveness with interval indices in stochastic environments [ Vol.2, Issue 3 - Autumn Year 1395]
• Rostamy-Malkhalifeh.Mohsen Congestion measurement in data envelopment analyses under weak disposability of desirable and undesirable outputs in a Two-phase Network [ Vol.2, Issue 1 - Spring Year 1395]