CHEREP O, OSMAKOVSKA K, LYSHCHENKO O, BOYKO O. PROBLEMS OF ENERGY EFFICIENCY IN UKRAINE AND INTERNATIONAL EXPERIENCE OF IMPLEMENTATION OF ENERGY EFFICIENCY IN EU COUNTRIES. Herald of Khmelnytskyi National University. Economic sciences [Internet]. 2023 Sep. 7 [cited 2026 Jan. 28];322(5):216-9. Available from: https://heraldes.khmnu.edu.ua/index.php/heraldes/article/view/387