https://biblioteca.ugb.edu.sv/cgi-bin/koha/opac-search.pl?q=ccl=an%3A91%20and%20su-to%3AREVISTA%20ADVERTISING%20AGE%20AM%C3%83%C2%89RICA%20CENTRAL%20Y%20EL%20CARIBE%20and%20su-to%3AREVISTA%20ADVERTISING%20AGE%20AMERICA%20CENTRAL%20Y%20EL%20CARIBE&format=rss2 Search results for 'an:91 and su-to:REVISTA ADVERTISING AGE AMÉRICA CENTRAL Y EL CARIBE and su-to:REVISTA ADVERTISING AGE AMERICA CENTRAL Y EL CARIBE' at Biblioteca UGB 0 20