Ponomareva С. М. ., Lyndina М. И., and Protunkevich И. В. ., “ANALYSIS OF RESEARCH RESULTS OF SELENIUM CONTENT IN VEGETABLE RAW MATERIALS: doi: 10.25712/ASTU.2072-8921.2021.03.009”, ПВ, no. 3, pp. 68–74, Sep. 2021.