Shpak, S., V. Martirosova, T. Sakhno, and G. Kozhushko. 2020. “DIRECTIONS FOR IMPROVEMENT OF STANDARDS ON LED TECHNIQUE AND LIGHTING WITH ITS USE: Array”. Municipal Economy of Cities. Series: «Economy Science» 1 (154):57-66. https://khges.kname.edu.ua/index.php/khges/article/view/5532.