http://172.19.1.196:8983/solr/secweb/select?q=main lesson OR "main lesson" OR "primary tutorial" OR "primary class" OR "principal tutorial" OR "principal class"&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%3Ainvestors&start=0&rows=10
SEC, to protect investors from all risks or shield them against investment losses. The main objective of the SEC is rather to ensure fair treatment and that investors have sufficient tools to protect