Morkowski, Jakub. 2025. “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 29 (4). Bielsko-Biała, PL. https://doi.org/10.19192/wsfip.sj4.2025.7.