OKAFOR C. O.; NWOKONKWO D.C. Synthesis of a New Vat Dye. International Journal of Research in Chemistry and Environment (IJRCE), [S. l.], v. 2, n. 1, p. 175–177, 2011. Disponível em: https://ijrce.org/index.php/ijrce/article/view/155. Acesso em: 6 nov. 2024.