А. Демид, Л. Вронська, І. Івануса, and М. Михалків, “APPLICATION OF HIGH-PERFORMANCE THIN-LAYER CHROMATOGRAPHY FOR THE ECHINACEA PURPUREA IDENTIFICATION IN DIETARY SUPPLEMENTS AND MEDICINAL PRODUCTS BASED ON IT”, SWJ, vol. 2, no. 27-02, pp. 3–18, Sep. 2024.