Pratiwi, A M, S Musdalifah, and D Lusiyanti. 2021. “Peramalan Harga Emas Menggunakan Metode Average Based And Fuzzy Logic Relationship”. JURNAL ILMIAH MATEMATIKA DAN TERAPAN 18 (2), 230 -42. https://bestjournal.untad.ac.id/index.php/JIMT/article/view/15712.