https://biblioteca.ugb.edu.sv/cgi-bin/koha/opac-search.pl?idx=kw&q=su-br%3Accl%3Dan%3A88%20and%20su-to%3AMARKETING%20and%20au%3ANavarro%20Rivera%2C%20Caleb%20Neftaly%20and%20au%3ANavarro%20Rivera%2C%20Caleb%20Neftaly&format=rss2 Search results for 'kw,wrdl: su-br:ccl=an:88 and su-to:MARKETING and au:Navarro Rivera, Caleb Neftaly and au:Navarro Rivera, Caleb Neftaly' at Biblioteca UGB 0 20