Ningrum, D. R. S., Resnawati, A. M. Najar, and J. W. Puspita. “Application of The C4.5 Algorithm to Get Customer Satisfaction Levels (Case Study : Toko Craft Palu, Jl. Setia Budi)”. JURNAL ILMIAH MATEMATIKA DAN TERAPAN, Vol. 21, no. 1, July 2024, pp. 54 -64, doi:10.22487/2540766X.2024.v21.i1.16958.