“Distribution of the main groups of soil microorganisms in Typical Chernozem - Karasuluk (Pellic Endoclacic Vertisol (Aric Humic))” (2017) Bulgarian Journal of Soil Science, Agrochemistry and Ecology, 51(2), pp. 30–37. Available at: https://agriacad.eu/ojs/index.php/bjssae/article/view/1941 (Accessed: 10 February 2026).