Shuraiev, I., Kulaha, T. and Paryshev, O. 2023. Heavy metals in the bottom sediments of the Sasyk estuary. Visnyk of V. N. Karazin Kharkiv National University, series "Geology. Geography. Ecology". 58 (Jun. 2023), 386-399. DOI:https://doi.org/10.26565/2410-7360-2023-58-29.