https://biblioteca.ugb.edu.sv/cgi-bin/koha/opac-search.pl?q=ccl=Provider%3AUniversidad%20Gerardo%20Barrios%20and%20au%3AVentura%2C%20William%20Alexander%20and%20holdingbranch%3AUGB%20and%20itype%3ABK%20and%20au%3AVentura%2C%20William%20Alexander%20and%20holdingbranch%3AUGB%20and%20su-to%3AJUEGOS%20DE%20SIMULACI%C3%83%C2%93N%20EN%20EDUCACI%C3%83%C2%93N&format=rss2 Search results for 'Provider:Universidad Gerardo Barrios and au:Ventura, William Alexander and holdingbranch:UGB and itype:BK and au:Ventura, William Alexander and holdingbranch:UGB and su-to:JUEGOS DE SIMULACIÓN EN EDUCACIÓN' at Biblioteca UGB 0 20