How different are the Spanish self-employed workers by underroporting their incomes?, 2011---port. (Diego Martínez)

WWW Univ. Pablo de Olavide, 11-4-2012---(Martínez López, Diego; n. 14-4-1973, Jaén; Dpto. de Economía)

Convergencia entre Andalucía y España, 2003---port. (Diego Martínez López)