СТЕПОВА, О. В.; БУЛАВЕНКО, Р. В.; РОМА, В. В. Analysis of the state of surface water of Poltava region in control sites. Scientific Progress & Innovations, [S. l.], n. 1, p. 181–184, 2012. DOI: 10.31210/visnyk2012.01.44. Disponível em: https://journals.pdau.edu.ua/visnyk/article/view/525. Acesso em: 16 sep. 2025.