KAEWPRADAP, A.; SANITJAI, S. Energy conservation of small water to water heat pump assisted by solar collector for residential application. Journal of Research and Applications in Mechanical Engineering, [S. l.], v. 6, n. 1, p. 21–28, 2018. Disponível em: https://ph01.tci-thaijo.org/index.php/jrame/article/view/136533. Acesso em: 29 apr. 2024.