ENERGY EFFICIENCY IN THE METALLURGICAL SECTOR: CONCEPT AND EVALUATION METRICS. Modern Problems of Metallurgy, [S. l.], n. 28, p. 248–270, 2025. DOI: 10.34185/1991-7848.2025.01.15. Disponível em: https://journals.nmetau.edu.ua/index.php/mpm/article/view/2212.. Acesso em: 15 mar. 2026.