Rasburskis, Nerijus, Juozas Gudzinskas, and Jonas Gylys. “Combined Heat and Power Production: Socio‐economic and Sustainable Development Aspects”. Journal of Civil Engineering and Management 12, no. 1 (March 31, 2006): 29-36. Accessed November 15, 2024. https://jest.vgtu.lt/index.php/JCEM/article/view/8777.