“Implementasi Sistem Inferensi Fuzzy Pada Pengambilan Keputusan Penentuan Kualitas Air PDAM”. JURNAL ILMIAH MATEMATIKA DAN TERAPAN, vol. 17, no. 1, June 2020, pp. 118-2, https://doi.org/10.22487/2540766X.2020.v17.i1.15187.