Literature review :

    Define and explain the problem
    Summarize previous investigations to inform readers of the current state of knowledge about this problem
    Identify gaps in the literature:
            contradictions
            inconsistencies
            relationships, etc.
    (Describe the “gap” or “need” defined in the current literature and how it leads to the creation of the topic and problem statement for the study.)
    Highlight main issues and controversies
    Suggest next steps in solving the problem
    Refer to minimum four (4) references published within the last 5 years
    There should be a minimum of three pages.

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