Berlian Tusya Devi Maharani, Moh. Hafiyusholeh, and Dian Candra Rini N, “Klasifikasi Kualitas Air Zamp Pdam Surya Sembada Surabaya Dengan Metode Fuzzy Mamdani”, J. Algebra, vol. 4, no. 2, pp. 108–118, Sep. 2023.