“Distribution of the Main Groups of Soil Microorganisms in Typical Chernozem - Karasuluk (Pellic Endoclacic Vertisol (Aric Humic))”. Bulgarian Journal of Soil Science, Agrochemistry and Ecology 51, no. 2 (June 30, 2017): 30–37. Accessed February 13, 2026. https://agriacad.eu/ojs/index.php/bjssae/article/view/1941.