P. . Gultom, W. T. Thianujaya, A. H. . Sirait, and A. . Kristian, “Application of the Fuzzy Mamdani Method to Predict the Number of Customers Based on the Weather and Holidays in a Simple Restaurant on Abdul Hakim Street”, J. of Research in Math. Trends and Tech., vol. 6, no. 2, pp. 69-80, Sep. 2024.