NAMA, Adnan Yassean; FADHEL, Fadhel S. Variational Approach for Solving Oxygen Diffusion Problem with Time-Fractional Derivative. Iraqi Journal of Science, [S. l.], v. 66, n. 12, p. 5617–5626, 2025. DOI: 10.24996/ijs.2025.66.12.28. Disponível em: https://www.ijs.uobaghdad.edu.iq/index.php/eijs/article/view/8545.. Acesso em: 12 jun. 2026.