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Use a variety of resources - locate books, journals, and documents that contain useful information and ideas on your topic. Internet sites, theses & dissertations, conference papers, ePrints and government or industry reports can also be included. Do not rely solely on electronic full-text material which is more easily available. Reference sources such as dictionaries can assist in defining terminology, and encyclopaedias may provide useful introductions to your topic by experts in the field and will list key references.