Calderón Carrero JM. University of Huddersfield Higher Education Corporation y Commissioners of Customs & Excise: SENTENCIA DEL TRIBUNAL DE JUSTICIA (Gran Sala) de 21 de febrero de 2006. Asunto: C-223/03. RTT. 2021;4(75):207-212. Accessed March 12, 2026. https://revistatecnicatributaria.com/index.php/rtt/article/view/1421