1.
Dwi Nursyachbaini, Suyanto Suyanto. The Application of Fuzzy Logic With the Mamdani Method to Determine the Risk Zone for The Spread of Covid-19 in North Sumatra. JURRIMIPA [Internet]. 2023 Jan. 15 [cited 2024 May 5];2(1):124-37. Available from: https://prin.or.id/index.php/JURRIMIPA/article/view/746