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• Seifbarghy.Mehdi Estimation of the cost function of a two-echelon inventory system with lost sales using regression [ Vol.1, Issue 1 - Winter Year 2008]
• Shadrokh.Shahram The preemptive resource-constrained project scheduling problem subject to due dates and preemption penalties: An integer programming approach [ Vol.1, Issue 1 - Winter Year 2008]
• Shavandi.Hassan The Capacitated Location-Allocation Problem with Interval Parameters [ Vol.1, Issue 2 - Spring Year 2008]