Кулиш, А. Н., Л. А. Нестерова, and Г. С. Сарибеков. “Salt-Free Dyeing - a New Method of Coloring by Reactive Dyes”. Eastern-European Journal of Enterprise Technologies, vol. 1, no. 8(55), Feb. 2012, pp. 9-11, doi:10.15587/1729-4061.2012.3418.