V. Kovalenko, V. Kotok, O. Zima, R. Nafeev, V. Verbitskiy, and O. Melnyk, “Definition of the role of polyvinyl alcohol during formation and in the structure of cathodic synthesized composite electrochromic nickel hydroxide layer: template or surfactant ”, EEJET, vol. 2, no. 12 (116), pp. 6–14, Apr. 2022.