Makarenko Т. V.; Hryshchanka, I. V.; Makarenko, A. I.; Nikitin, A. N. . Study of the Content of Certain Heavy Metals in the Soft Tissue of the (Viviparus Viviparus L.) That Inhabitates the River of Sozh in Gomel. Журнал Белорусского государственного университета. Экология 2021, No. 1, 29-39.