Bodnar, Liliya, Dmytro Stepanov, і Anatolyi Dovgal. «EXPERIMENTAL STUDY OF ECOLOGICAL INDICES OF 40 KW GASGENERATOR HOT-WATER BOILER». Scientific Works of Vinnytsia National Technical University, no. 4 (Листопад 24, 2015). дата звернення Травень 20, 2026. https://works.vntu.edu.ua/index.php/works/article/view/27.