LISOVYІ A. THEORETICAL AND METHODOLOGICAL APPROACHES TO DETERMINING THE LEVEL OF ENERGY SECURITY OF UKRAINE. Herald of Khmelnytskyi National University. Economic sciences [Internet]. 2024 Apr. 25 [cited 2026 Jan. 28];328(2):168-72. Available from: https://heraldes.khmnu.edu.ua/index.php/heraldes/article/view/80