GONZÁLEZ-FERNÁNDEZ, Marcos; GONZÁLEZ-VELASCO, Carmen; FANJUL-SUÁREZ, José-Luis. Corruption, the Shadow Economy and Innovation in Spanish Regions. Panoeconomicus, [S. l.], v. 67, n. 4, p. 509–537, 2018. DOI: 10.2298/PAN170605003G. Disponível em: http://panoeconomicus.org/index.php/jorunal/article/view/461. Acesso em: 5 dec. 2025.