STAFILOV, T. Modification of the method for spectrophotometric determination of chromium in waste waters by diphenylcarbazide. Macedonian Journal of Ecology and Environment, [S. l.], v. 2, n. 2, p. 59–68, 1994. Disponível em: https://mjee.org.mk/index.php/mjee/article/view/28. Acesso em: 7 may. 2024.