http://172.19.1.196:8983/solr/secweb/select?q=challenge improvement OR "challenge improvement" OR "Difficulty enhancement" OR "Difficulty progress" OR "Obstacle enhancement" OR "Obstacle progress"&wt=json&indent=true&facet=true&facet.field=key_filetype&facet.field=key_sitemap&facet.field=system_name&facet.field=key_keywords&hl=on&hl.fragsize=200&hl.fl=id,title_th,searchcontent_th&defType=edismax&qf=searchcontent_th&qf=id&qf=title_th^1000000&pf=title_th~5^1&pf=searchcontent_th~5^10000&ps=2&mm=100&qf=title_th_default&fq=key_sitemap%3Ainvestor&start=0&rows=10
cases representation to companies on behalf of the governing body. In order to gain full value from this process, governing bodies need actively to oversee it and to have relevant skills to challenge and