Sydorova, L., Chernyavska, A., Chmylenko, T. and Chmylenko, F. (2017) “Polyelectrolyte effect on spectrophotometric determination and interaction of scandium (III) with eriochromcyanine”, Eastern-European Journal of Enterprise Technologies, 4(6 (88), pp. 53–58. doi: 10.15587/1729-4061.2017.108371.