<![CDATA[Biblioteca Jorge Álvarez Lleras Search for 'an:"4690" and au:Sarmiento Palacio, Eduardo and su-to:OFERTA Y DEMANDA']]> https://catalogo.escuelaing.edu.co/cgi-bin/koha/opac-search.pl?q=ccl=an%3A%224690%22%20and%20au%3ASarmiento%20Palacio%2C%20Eduardo%20and%20su-to%3AOFERTA%20Y%20DEMANDA&format=rss2 2 0 50