In addition to the library subscribed major bibliographic databases (Resource Discovery Sources), you are encouraged to make best use of scholarly search engines, e-print archives and other databases which are open access and easy to search. These will help make your literature survey comprehensive and complete. Some of the scholarly sources that may be considered are CORE, BASE, Google Scholar, Dimensions, Microsoft Academic, Semantic Scholar, Lens.Org, Scinapse, Scilit, Scite, NAVER Academic, and ScienceOpen among many others.