Kurdyukov, E. E., Vodop’yanovaО. А., N. V. Antropova, A. V. Mitishev, and N. E. Evgrashkina. “METHOD OF QUANTITATIVE DETERMINATION OF THE SUM OF TANNINS IN EUTERPE OLERACEA FRUITS”. Chemistry of Plant Raw Material, no. 4, Dec. 2021, pp. 225-9, doi:10.14258/jcprm.2021049158.