List of Articles ABC Open Access Article Abstract Page Full-Text 1 - A new design for PID controller by considering the operating points changes in Hydro-Turbine Connected to the equivalent network by using Invasive Weed Optimization (IWO) Algorithm Navid Razmjooy Mohsen Khalilpour Open Access Article Abstract Page Full-Text 2 - Design of Multi-Stage Fuzzy PID Bundled Artificial Bee Colony for Multi-machine PSS Nasser yousefi Open Access Article Abstract Page Full-Text 3 - The Presentation of a Mathematical Model to Assess and Control the Inventory Control System through ABC Analysis Approach (A Case Study of Lino Meat Products Company) Mohammad Reza Motadel Abbas Toloie Eshlagy Sarvenaz Ghasemi