TYTAR, S. S.; KRYZHNA, S. F. Solar collectors of different types in heating systems. Visnyk of Vinnytsia Politechnical Institute, [S. l.], n. 3, p. 55–59, 2010. Disponível em: https://visnyk.vntu.edu.ua/index.php/visnyk/article/view/1682. Acesso em: 16 jul. 2024.