Contents. Ecological Bulletin of Kryvyi Rih District, [S. l.], v. 6, p. 7–10, 2021. DOI: 10.31812/ecobulletinkrd.v6i0.4571. Disponível em: https://journal.kdpu.edu.ua/ecolog/article/view/4571. Acesso em: 6 dec. 2025.