“STUDYING OF THE CONDITIONS OF ERYTHRITOL, MANNITOL, SORBITOL, XYLITOL, TARTARIC AND CITRIC ACIDS ESTERIFICATION BY USING HIGH ALIPHATIC CARBOXYLIC ACIDS AND ALCOHOLS” (2020) Proceedings of the YSU B: Chemical and Biological Sciences, 54(1 (251), pp. 17–25. doi:10.46991/PYSU:B/2020.54.1.017.