<![CDATA[Science Library DSS Search for 'su,wrdl: "Water Purification."' with limit(s): 'su-to:Sewage su-to:Water su-to:Factory and trade waste holdingbranch:10000 itype:1']]> http://library.dss.go.th/cgi-bin/koha/opac-search.pl?idx=su&q=%22Water%20Purification.%22&limit=su-to%3ASewage&limit=su-to%3AWater&limit=su-to%3AFactory%20and%20trade%20waste&limit=holdingbranch%3A10000&limit=itype%3A1&format=rss2 7 0 50