There are two types of background research – primary research and secondary research. Primary Research may be the study from your direct experience or observation that might involves to your project. You have to conduct it with your research. Secondary Research is the research which comes from other researcher who have made project that involves with your subject or topic. You can find it on internet and in libraries. It has to be published base on journal information and should be reliable by any famous researchers. Do not believe everything until you can find the trustable information.