The document discusses the importance and process of conducting a literature review. It begins by outlining the key functions of a literature review, which include bringing clarity and focus to the research problem, improving methodology, broadening knowledge, and contextualizing findings. It then describes the five main steps to reviewing literature: searching for existing literature; reviewing materials selected; developing a theoretical framework; developing a conceptual framework; and writing up the literature reviewed. Examples are provided for conceptual frameworks and how to format references from different sources like books, journals, and online documents.