<![CDATA[Biblioteca UGB Search with limit(s): 'mc-itype:BK au:Melara Viera, Ruth Abigail su-to:MATEMATICAS au:Mart��nez de Castillo, Liseth Steffany']]> https://biblioteca.ugb.edu.sv/cgi-bin/koha/opac-search.pl?&limit=mc-itype%3ABK&limit=au%3AMelara%20Viera%2C%20Ruth%20Abigail&limit=su-to%3AMATEMATICAS&limit=au%3AMart%C3%AF%C2%BF%C2%BD%C3%AF%C2%BF%C2%BDnez%20de%20Castillo%2C%20Liseth%20Steffany&format=rss2 0 20