. . ... Related Literature and Related Studies . They help or guide the researcher in searching for or selecting a better research problem or topic.. iii. Related literature focuses on the opinions and ideas of ones own on a particular topic. Related studies analyze the work of other researchers and focus.... . . ... Related readings, related literature, and related studies refer to different types of information sources that are relevant to a particular research topic.... The literature and studies cited in this chapter tackle the different concept, understanding, and ideas, generalization or conclusions and different development.... . . ... Tips about the review of the related literature RRL and review of related studies RRS. Importance, Purposes and Functions of related Literature A survey or review of related literature and studies is very important because such reviewed.... . . ... A literature review or relevant review of the literature is an objective, concise, critical summary of published rese