Search for the phrase literature reviews --with an "s" because subjects are plural-- as a subject, as shown in the examples on this page.
Academic Search Complete
literature reviews in SU = 21,529 results
ProQuest
literature reviews in SU = 49,913 results
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ASP and PQ examples combining different social science concepts with literature reviews in SU
Before starting a systematic integrated literature review, the writer must be clear on the purpose of his or her investigation and the questions that he or she wants to answer.
See page 3 of Can Medication Cure Obesity in Children? for a clear example of purpose and investigation questions
Read the Literature Retrieval section on p.636.
Everyone can start his or her search with ProQuest and Academic Search Complete.
If you need more articles, look at the database lists on the Databases by Subject page.
Writers "must be cautious in incorporating the findings from different studies and extracting the themes from the systematic integrated literature review."