Wahyuli D, Chamidah N, Saifudin T, Herdianto MH. Prediksi Harga Emas dan Nilai Tukar Rupiah dengan Pendekatan Estimator Deret Fourier Birespon. cakrawala [Internet]. 2025 Jun. 17 [cited 2026 Jun. 6];19(1):53-66. Available from: https://www.cakrawalajournal.org/index.php/cakrawala/article/view/777