Kozieł, Monika. „Factors Determining the Occurrence and Number of Bacteria of the Genus Azotobacter in the Soil Environment”. Polish Journal of Agronomy, no. 52 (lipiec 24, 2023): 14–21. Udostępniono listopad 7, 2024. https://journals.iung.pl/index.php/pja/article/view/226.