<![CDATA[Science Library DSS Search for 'su,wrdl: "Water Purification."' with limit(s): 'itype:2 au:American Water Works Association su-to:Water-supply su-to:Water quality su-to:Water quality']]> http://library.dss.go.th/cgi-bin/koha/opac-search.pl?idx=su&q=%22Water%20Purification.%22&limit=itype%3A2&limit=au%3AAmerican%20Water%20Works%20Association&limit=su-to%3AWater-supply&limit=su-to%3AWater%20quality&limit=su-to%3AWater%20quality&format=rss2 2 0 50