Ikhtiyar, A., Gudrat, V., Islam, R., Yarish, A., Novruz, L., Israphil, G., Allahverdi, T., Farhad, G., & Nazim, R. (2026). Changing the Biological Activity of Soil in Sunflower Crops. Proceedings of the Bulgarian Academy of Sciences, 79(1), 145–154. https://doi.org/10.7546/CRABS.2026.01.18