Sandoval Fernández, Pablo. “<b>The European Challenge: Energy Efficiency in Buildings. The New EU Directive 2010 31< b> <br> Doi:10.5007 2177-7055.2011v32n62p55â€. Seqüência - Legal and Political Studies 32, no. 62 (July 30, 2011): 55–77. Accessed March 3, 2025. https://periodicos.ufsc.br/index.php/sequencia/article/view/2177-7055.2011v32n62p55.