RIZK, M.S. Optical Properties of Polyvinyl Alcohol doped with CoCl2 . Asian Journal of Chemistry, [S. l.], v. 5, n. 2, p. 460–463, 2010. Disponível em: https://asianpubs.org/index.php/ajchem/article/view/24835. Acesso em: 6 apr. 2025.