Contents. Ecological Bulletin of Kryvyi Rih District, [S. l.], v. 1, p. 3–4, 2015. DOI: 10.31812/ecobulletinkrd.v1i0.49. Disponível em: https://journal.kdpu.edu.ua/ecolog/article/view/49. Acesso em: 5 dec. 2025.