Popov, N., Barabanov, V., Shalgimbayeva, S., Batayeva, D., Zhumanova, A., Muratkyzy, A., & Abdullayeva, B. (2026). Feeding resources and key nutrients of commercial fish in the Ural-Caspian Basin. International Journal of Biology and Chemistry, 18(2). https://doi.org/10.26577/IJBCh20251827