Shpak, S., V. Martirosova, T. Sakhno, and G. Kozhushko. “DIRECTIONS FOR IMPROVEMENT OF STANDARDS ON LED TECHNIQUE AND LIGHTING WITH ITS USE: Array”. Municipal economy of cities. Series: «Economy science» 1, no. 154 (April 3, 2020): 57–66. Accessed June 15, 2025. https://khges.kname.edu.ua/index.php/khges/article/view/5532.