Alqodri, F. et al. 2026. Optimized BiLSTM and GRU Models Using QHBM for Forex Price Prediction. MATRIK : Jurnal Manajemen, Teknik Informatika dan Rekayasa Komputer. 25, 3 (Jul. 2026), 509–522. DOI:https://doi.org/10.30812/matrik.v25i3.6226.