<![CDATA[Biblioteca Univ. Surcolombiana Search for 'se,phr:"Mathematics, finance and risk" and su-to:Valor derivado']]> https://biblioteca.usco.edu.co//cgi-bin/koha/opac-search.pl?q=ccl=se%2Cphr%3A%22Mathematics%2C%20finance%20and%20risk%22%20and%20su-to%3AValor%20derivado&format=rss2 2 0 50