N. S. Nordin, M. A. Ismail, V. Mezhuyev, S. Kasim, M. S. Mohamad, and A. O. Ibrahim "Fuzzy Modelling using Firefly Algorithm for Phishing Detection", Advances in Science, Technology and Engineering Systems Journal, vol. 4, no. 6, pp. 291–296, 2019, doi: 10.25046/aj040637.