https://biblioteca.ugb.edu.sv/cgi-bin/koha/opac-search.pl?q=ccl=Provider%3AUniversidad%20Gerardo%20Barrios%20and%20su-to%3AMATERIAL%20AUDIO-VISUAL%20and%20su-to%3ATESIS%20and%20su-to%3ATESIS%20and%20itype%3ACD%20and%20au%3AArgueta%20Saravia%2C%20Carlos%20Josu%C3%83%C2%A9&format=rss2 Search results for 'Provider:Universidad Gerardo Barrios and su-to:MATERIAL AUDIO-VISUAL and su-to:TESIS and su-to:TESIS and itype:CD and au:Argueta Saravia, Carlos Josué' at Biblioteca UGB 0 20