The Role of Failure Prediction Models in Evaluating Investment Portfolio Performance: An Analytical Study of a Long-Term Investment Portfolio (Libya During the Period 2020-2023). Comprehensive Journal of Science, [S. l.], v. 10, n. 39, p. 2912–2921, 2026. DOI: 10.65405/r6gn3g73. Disponível em: https://cjos.histr.edu.ly/index.php/journal/article/view/1683. Acesso em: 7 apr. 2026.