Velevska, Julijana, Margareta Pecovska-Gjorgjevich, Metodija Najdoski, and Nace Stojanov. 2013. “Studies on Electrochromism of Chemically Deposited Nickel Oxide Thin Films”. Science, Engineering and Health Studies 5 (1):34-42. https://doi.org/10.14456/sustj.2011.3.