Earth Air Tube Heat Exchanger Novel Way for Energy Saving . International Journal of Scientific Research in Science and Technology, [S. l.], v. 11, n. 6, p. 841–844, 2024. DOI: 10.32628/IJSRST24114337. Disponível em: https://ijsrst.com/index.php/home/article/view/IJSRST24114337.. Acesso em: 9 jan. 2025.