N. L. P. I. Candrawengi, Y. D. Amritha, and M. W. P. Dananjaya, “Pendekatan Transformer Deep Learning dalam Meramalkan Harga Minyak Sumatran Light Crude”, Kst, Kri, Kridatama, vol. 7, no. 02, pp. 962–972, Dec. 2025.