https://biblioteca.ugb.edu.sv/cgi-bin/koha/opac-search.pl?q=ccl=Provider%3AUniversidad%20Doctor%20Andres%20Bello%2C%20and%20holdingbranch%3AUGB%20and%20au%3ARomero%20Chica%2C%20Jos%C3%83%C2%A9%20Domingo%20and%20su-to%3ARENDIMIENTO%20ACAD%C3%83%C2%89MICO&format=rss2 Search results for 'Provider:Universidad Doctor Andres Bello, and holdingbranch:UGB and au:Romero Chica, José Domingo and su-to:RENDIMIENTO ACADÉMICO' at Biblioteca UGB 0 20