H. Humaira, Y. Sonatha, C. Prabowo, H. Amnur, and R. Afyenni, “Comparative Study of Type-1 and Type-2 Fuzzy System in Decision Support System”, IJEEI, vol. 6, no. 3, pp. 323–332, Sep. 2018, doi: 10.52549/ijeei.v6i3.391.