Kovalenko, V., and V. Kotok. “Bifuctional indigocarmin­intercalated Ni­Al Layered Double Hydroxide: Investigation of Characteristics for Pigment and Supercapacitor Application”. Eastern-European Journal of Enterprise Technologies, vol. 2, no. 12 (104), Apr. 2020, pp. 30-39, doi:10.15587/1729-4061.2020.201282.