https://biblioteca.ugb.edu.sv/cgi-bin/koha/opac-search.pl?q=ccl=Provider%3A%5Bs.n.%5D%2C%20%20and%20su-to%3APASANT%C3%83%C2%8DA%20and%20location%3APROC%20and%20au%3AHern%C3%83%C2%A1ndez%2C%20Elmer%20Jos%C3%83%C2%A9%20Ren%C3%83%C2%A9&format=rss2 Search results for 'Provider:[s.n.], and su-to:PASANTÍA and location:PROC and au:Hernández, Elmer José René' at Biblioteca UGB 0 20