ЧАЙКОВСЬКА, Є. Є.; ІЩУК, Н. Ф. Technical and economic estimation of energy –saving technology of combined heating. Eastern-European Journal of Enterprise Technologies, [S. l.], v. 4, n. 8(52), p. 45–48, 2011. DOI: 10.15587/1729-4061.2011.1464. Disponível em: https://journals.uran.ua/eejet/article/view/1464. Acesso em: 3 may. 2024.