Thông, H. V., N. C. Hồ, and N. V. Long. “An Evolutionary Method to Generate Mamdani Rule-Based Systems With Hedge Algebra Based Semantics for Regression Problems”. Journal of Computer Science and Cybernetics, vol. 30, no. 3, Aug. 2014, pp. 227-38, doi:10.15625/1813-9663/30/3/3236.