Visible Region Response of Cobalt Doped TiO2 via Sol Gel Technique. JOURNAL OF UNIVERSITY OF BABYLON for Pure and Applied Sciences, [S. l.], v. 26, n. 8, p. 240–244, 2018. DOI: 10.29196/jubpas.v26i8.1789. Disponível em: https://journalofbabylon.com/index.php/JUBPAS/article/view/1789. Acesso em: 19 apr. 2025.