OMER, A. M. . Experimental investigation of the performance of a ground-source heat pump system for buildings heating and cooling. Pure and Applied Science Advances, [S. l.], v. 5, n. 1, p. 284-310, 2016. Disponível em: http://sjournals.com/index.php/sjpas/article/view/250. Acesso em: 15 jan. 2025.