The purpose of evaluating the sources of your research material is to test the reliability of the information.
At first, reading all the information provided in the research should be made,see to it that it meets the limits of the required standard. Scrutinizing everything provided is one of the tool that helps. Having a reliable source is an efficient and effective way to get the trust of a client. The confidence and reliance they could extend that cannot be compensated with money that would bring a future dependence in one's service.