https://biblioteca.ugb.edu.sv/cgi-bin/koha/opac-search.pl?q=ccl=se%2Cphr%3A%22Advertising%20Age%20Am%C3%83%C2%A9rica%20Central%20y%20el%20Caribe%22%20and%20au%3A%5Bs.n.%5D%20and%20se%3AAdvertising%20Age%20Am%C3%83%C2%A9rica%20Central%20y%20el%20Caribe&format=rss2 Search results for 'se,phr:"Advertising Age América Central y el Caribe" and au:[s.n.] and se:Advertising Age América Central y el Caribe' at Biblioteca UGB 0 20