KUMAR, A.; SRIVASTAVA, K.P. Electronic Absorption Spectra of Copper Phthalocyanine Dye . Asian Journal of Chemistry, [S. l.], v. 12, n. 3, p. 723–731, 2010. Disponível em: https://asianpubs.org/index.php/ajchem/article/view/23051. Acesso em: 23 jul. 2024.