López García, Casimiro. “Public and Private Contracts of the Public Powers from 1845 to Law 30/2007, of Public Sector Contracts”. Revista de Estudios de la Administración Local y Autonómica, no. 310 (August 31, 2009): 133–166. Accessed August 25, 2024. https://revistasonline.inap.es/index.php/REALA/article/view/9681.