MORKOWSKI, Jakub. Forecasting Hourly Cryptocurrency Returns Using Recurrent Neural Networks: A Comparative Study of GRU, LSTM and Classical Models. Scientific Journal of Bielsko-Biala School of Finance and Law, Bielsko-Biała, PL, v. 29, n. 4, 2025. DOI: 10.19192/wsfip.sj4.2025.7. Disponível em: https://www.asej.eu/index.php/asej/article/view/920. Acesso em: 1 feb. 2026.