https://biblioteca.ugb.edu.sv/cgi-bin/koha/opac-search.pl?idx=an%2Cphr&q=57%26limit%3Dlocation%3ATES%26limit%3Dsu-to%3ADERECHO%20PENAL%26limit%3Dau%3APaz%20Hern%C3%83%C2%A1ndez%2C%20Juan%20Carlos&format=rss2 Search results for 'an,phr: 57&limit=location:TES&limit=su-to:DERECHO PENAL&limit=au:Paz Hernández, Juan Carlos' at Biblioteca UGB 0 20