Implementation of the Doubling Mamdani Fuzzy Method in Comparing the Output Quality of Four-Wheeled Vehicles in 2024. J. of Research in Math. Trends and Tech. [Internet]. 2023 Mar. 30 [cited 2026 Feb. 5];5(1):31-7. Available from: https://idjpcr.usu.ac.id/jormtt/article/view/16923