You may also want to search for freely available, relevant online content direct from reputable companies, eg Microsoft or SAP. Check you are using official sites, or access content via a search engine like Google Scholar.
Anyone can publish content on the internet, carefully evaluate free information according to the following criteria:
Google Scholar. Try using this to limit your search to scholarly sources.
Google Advanced Search. You can search within a particular domain eg .gov.uk. This will limit your search to UK government publications.
Or, instead of searching the Internet, go directly to the source. We have selected some websites here that could be useful to your search.
"Double quotation marks". If you're searching for the title of a document or searching for a phrase, enclose your search in "double quotation marks".