<![CDATA[Biblioteca Jorge Álvarez Lleras Search for 'su:"CONCRETO" and itype:TE and su-to:ESCUELA COLOMBIANA DE INGENIERÍA and au:Torres Castellanos, Nancy, dir and itype:AS']]> https://catalogo.escuelaing.edu.co/cgi-bin/koha/opac-search.pl?q=ccl=su%3A%22CONCRETO%22%20and%20itype%3ATE%20and%20su-to%3AESCUELA%20COLOMBIANA%20DE%20INGENIER%C3%83%C2%8DA%20and%20au%3ATorres%20Castellanos%2C%20Nancy%2C%20dir%20and%20itype%3AAS&format=rss2 0 20