?enyi?git, Ercan, Dü?enci, Muharrem, Aydin, Mehmet E., ?enyi?it, Ercan, Dü?enci, Muharrem, Aydin, Mehmet Emin, Zeydan, Mithat, "Heuristic-based neural networks for stochastic dynamic lot sizing problem", Applied Soft Computing Journal, 2013