BAČEVA, K.; STAFILOV, T.; ŠAJN, R. Biomonitoring of nickel air pollution near the city of Kavadarci, Republic of Macedonia. Macedonian Journal of Ecology and Environment, [S. l.], v. 12, n. 1-2, p. 57–69, 2009. Disponível em: https://mjee.org.mk/index.php/mjee/article/view/91. Acesso em: 28 jan. 2023.