S

• Seifbarghy.Mehdi Estimation of the cost function of a two-echelon inventory system with lost sales using regression [ Vol.1, Issue 1 - Autumn 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 - Autumn Year 2008]