https://biblioteca.ugb.edu.sv/cgi-bin/koha/opac-search.pl?idx=kw&q=su-na%3Accl%3Dan%3A88%20and%20su-to%3AMARKETING%20and%20se%3AAdvertising%20Age%20Am%C3%83%C2%83%C3%82%C2%A9rica%20Central%20y%20el%20Caribe%20and%20su-to%3AREVISTA%20ADVERTISING%20AGE%20and%20au%3A%5Bs.n.%5D%20and%20%28%20%28%20allrecords%2CAlwaysMatches%3A%27%27%20not%20onloan%2CAlwaysMatches%3A%27%27%29%20and%20%28lost%2Cst-numeric%3D0%29%20%29&format=rss2 Search results for 'kw,wrdl: su-na:ccl=an:88 and su-to:MARKETING and se:Advertising Age América Central y el Caribe and su-to:REVISTA ADVERTISING AGE and au:[s.n.] and ( ( allrecords,AlwaysMatches:'' not onloan,AlwaysMatches:'') and (lost,st-numeric=0) )' at Biblioteca UGB 0 20