Plyusnin, A.M., Garipova, E.R., Ukraintsev, A.V. and Dabaeva, V.V. 2025. Toxic Elements in Surface and Sub-Channel Waters of Rivers of the Dzhida Natural-Technogenic System. Proceedings of Voronezh State University. Series: Geography. Geoecology. 1 (Feb. 2025), 150-160. DOI:https://doi.org/10.17308/geo/1609-0683/2025/1/150-160.