<![CDATA[Biblioteca Univ. Surcolombiana Search for '(su,complete-subfield:{Petroleum chemicals industry}) AND (su,complete-subfield:{Environmental aspects.})']]>

<![CDATA[Biblioteca Univ. Surcolombiana Search for '(su,complete-subfield:{Petroleum chemicals industry}) AND (su,complete-subfield:{Environmental aspects.})']]> https://biblioteca.usco.edu.co//cgi-bin/koha/opac-search.pl?q=ccl=%28su%2Ccomplete-subfield%3A%7BPetroleum%20chemicals%20industry%7D%29%20AND%20%28su%2Ccomplete-subfield%3A%7BEnvironmental%20aspects.%7D%29&format=rss2 0 20