Comparative Evaluation of Deep Learning Architectures for Gold Price Forecasting: a Case Study of Hierarchical vs. Transformer-Based Approaches. Physical Education, Health and Social Sciences, [S. l.], v. 3, n. 4, p. 122–132, 2025. DOI: 10.63163/jpehss.v3i4.969. Disponível em: https://journal-of-social-education.org/index.php/Jorunal/article/view/969. Acesso em: 6 may. 2026.