Vergun, Olena, Oksana Shymanska, Dzhamal Rakhmetov, Valentyna Fishchenko, and Eva Ivanišová. “A Comparative Study of Silphium Spp. Antioxidant Activity”. Agrobiodiversity for Improving Nutrition, Health and Life Quality 7, no. 1 (May 31, 2023). Accessed April 30, 2024. https://agrobiodiversity.uniag.sk/scientificpapers/article/view/478.