WASET
Mahmudizad, M. , Ahangar, R. (2016). 'Improving Load Frequency Control of Multi-Area Power System by Considering Uncertainty by Using Optimized Type 2 Fuzzy Pid Controller with the Harmony Search Algorithm'. World Academy of Science, Engineering and Technology, Open Science Index 116, International Journal of Electrical and Information Engineering, 10(8), 1099 - 1109.