COMPARATIVE ENVIRONMENTAL ANALYSIS BETWEEN CONVENTIONAL AND COGENERATION GAS-FIRED CENTRAL HEATING SYSTEMS. ETIMA, [S. l.], v. 2, n. 1, p. 32–43, 2024. DOI: 10.46763/ETIMA2321032t. Disponível em: https://js.ugd.edu.mk/index.php/etima/article/view/6439. Acesso em: 3 okt. 2025.