MANDALA, T. F.; HAIDA DAFITRI. Implementation of the C4.5 Decision Tree Algorithm to Determine Student Productivity Based on Sleep Patterns. Journal of Artificial Intelligence and Engineering Applications (JAIEA), [S. l.], v. 5, n. 2, p. 2551–2555, 2026. DOI: 10.59934/jaiea.v5i2.1923. Disponível em: https://ioinformatic.org/index.php/JAIEA/article/view/1923. Acesso em: 2 may. 2026.