Bosyi, M. V. “HEAT PUMPS FOR HEAT SUPPLY AND HOT SUPPLY OF AGRICULTURAL ENTERPRISES”. Bulletin of Sumy National Agrarian University. The series: Mechanization and Automation of Production Processes, no. 2(48) (December 10, 2022): 3-8. Accessed May 21, 2024. https://snaubulletin.com.ua/index.php/mapp/article/view/697.