ФЕСЕНКО, О. Г. THE STATE OF SURFACE WATERS OF POLTAVA REGION (2005-2011 YEARS). Scientific Progress & Innovations, [S. l.], n. 4, p. 158–161, 2013. DOI: 10.31210/visnyk2013.04.39. Disponível em: https://journals.pdau.edu.ua/visnyk/article/view/801. Acesso em: 30 aug. 2025.