Didenko, O., K. Suvorova, O. Lyshenko, M. Sukhonos, and M. Lubchenko. 2019. “CURRENT STATUS AND POTENTIAL OF ENERGY EFFICIENCY OF LIGHTING SYSTEMS OF KHARKOV CITY: Array”. Municipal Economy of Cities (Technical Science) 3 (149):2-8. https://khgts.kname.edu.ua/index.php/khgts/article/view/5409.