A Positivity-Preserving Finite Element Method for Quantum Drift-Diffusion Model. Journal of Computational Mathematics, [S. l.], v. 41, n. 5, p. 909–932, 2023. DOI: 10.4208/jcm.2206-m2021-0353. Disponível em: https://global-sci.com/index.php/JCM/article/view/12546. Acesso em: 6 dec. 2025.