https://biblioteca.ugb.edu.sv/cgi-bin/koha/opac-search.pl?idx=an%2Cphr&q=1516%26limit%3Dlocation%3AGEN%26limit%3Davailable%26limit%3Dsu-to%3ADERECHO%20MERCANTIL&format=rss2 Search results for 'an,phr: 1516&limit=location:GEN&limit=available&limit=su-to:DERECHO MERCANTIL' at Biblioteca UGB 0 20