<![CDATA[Biblioteca Univ. Surcolombiana Search for '(su,complete-subfield:{Heterarquía}) AND (su,complete-subfield:{Estudio de caso})']]> https://biblioteca.usco.edu.co//cgi-bin/koha/opac-search.pl?q=ccl=%28su%2Ccomplete-subfield%3A%7BHeterarqu%C3%83%C2%ADa%7D%29%20AND%20%28su%2Ccomplete-subfield%3A%7BEstudio%20de%20caso%7D%29&format=rss2 0 20