Demchenko, Volodymyr, Andrii Trubachev, and Serhii Hron. “Comparative Analysis of the Efficiency of Gas Boilers by Express Method of Multi-Criteria Assessment”. Technology audit and production reserves 5, no. 1(43) (May 17, 2018): 34–41. Accessed July 17, 2024. https://journals.uran.ua/tarp/article/view/146126.