Study of the effect of ultraviolet radiation on the photodegradation of polystyrene films doped with Schiff bases. Samarra Journal of Pure and Applied Science, [S. l.], v. 5, n. 3, p. 21–35, 2023. DOI: 10.54153/sjpas.2023.v5i3.493. Disponível em: https://sjpas.com/index.php/sjpas/article/view/493. Acesso em: 24 apr. 2026.