Hlushchenko, Olena, and F.E Mazhulis. “EFFICIENCY OF HEAT PUMP APPLICATIONS FOR ENHANCING THE ENERGY PERFORMANCE OF RESIDENTIAL HEATING SYSTEMS”. Sworld-Us Conference proceedings 1, no. usc34-00 (September 30, 2025): 24–30. Accessed April 3, 2026. https://proconference.org/index.php/usc/article/view/usc34-00-022.