G. Grigoryan and A. Malkhassyan, “STUDYING OF THE CONDITIONS OF ERYTHRITOL, MANNITOL, SORBITOL, XYLITOL, TARTARIC AND CITRIC ACIDS ESTERIFICATION BY USING HIGH ALIPHATIC CARBOXYLIC ACIDS AND ALCOHOLS”, Proc. YSU B: Chem. Biol. Sci., vol. 54, no. 1 (251), pp. 17–25, Apr. 2020.