Melnyk, S., Y. Melnyk, I. Nykulyshyn, and L. Shevchuk. “Research into Esterification of Mixture of Lower Dicarboxylic Acids by 2-Ethylhexan-1-Ol in the Presence of P-Toluensulfonic Acid”. Eastern-European Journal of Enterprise Technologies, vol. 6, no. 6 (90), Nov. 2017, pp. 10-16, doi:10.15587/1729-4061.2017.114324.