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Minimum of 250 words with at least one peer review reference in 7th edition apa style

 Often times we can find credible sources of information that are not found in a formal literature search through a library database. These sources are considered grey literature. You may see this type literature in your systematic reviews. When conducting research, you should consider the following sources as a way to supplement your more formal reviews. More than likely, they are more up-to-date than a traditional article, which takes longer to get published. You can find grey literature by conducting a Google Scholar search. It is important to vet the information once you locate it. You can read more about grey literature by clicking the link in the reference.  

What is grey literature review pros and con