<![CDATA[Biblioteca Jorge Álvarez Lleras Search for 'Provider:McGraw-Hill and itype:RES and itype:BK and au:Johnston, E. Russell']]> https://catalogo.escuelaing.edu.co/cgi-bin/koha/opac-search.pl?q=ccl=Provider%3AMcGraw-Hill%20and%20itype%3ARES%20and%20itype%3ABK%20and%20au%3AJohnston%2C%20E.%20Russell&format=rss2 3 0 50