<![CDATA[ Search for '(su,complete-subfield:"Land improvement") and su-to:Land improvement and su-to:Soil conservation']]> https://knowledgecenter.cimmyt.org/cgi-bin/koha/opac-search.pl?q=ccl=%28su%2Ccomplete-subfield%3A%22Land%20improvement%22%29%20and%20su-to%3ALand%20improvement%20and%20su-to%3ASoil%20conservation&format=rss2 4 0 50