Methodology for determining technical, economic and environmental performance of combined power plantsEduard Kan, Muradulla Mukhammadiev, Kurbon Dzhuraev, Abdurauf Abduaziz Uulu and Fatima ShadibekovaE3S Web of Conf., 401 (2023) 04036DOI: https://doi.org/10.1051/e3sconf/202340104036