It is an assessment of the literature and provides a summary, classification, comparison and evaluation.
At postgraduate level literature reviews can be incorporated into an article, a research report or thesis.
On the other hand, if you arrange them based on the theme of work i.e.
the idea on which each work is based, then this approach is termed as a thematic approach.
The table should be such that the reader easily understands the data presented.
If the literature review you are writing is a part of your research paper, then you can synthesize the information and ideas from all the works discussed in the sections above to show how your idea was called for, is relevant, or something never thought of before.You will need to synthesise several of your reviewed readings into each paragraph, so that there is a clear connection between the various sources.You will need to critically analyse each source for how they contribute to the themes you are researching.If you have taken the help of any organization for collection of relevant data, make sure that you mention the names.Also add the names of search engines used to obtain the data.It is similar to a summary that it highlights all the important articles, books and papers on that particular topic, briefly describes each work, and also mentions as to which works are the most important.The purpose behind writing one is to present before the reader an overall view of the topic in question, which includes the type of research that has been carried out on the topic till date, the areas that need further research and any suggestions on future research on the subject, if any.An extensive review of relevant material will include — books, journal articles, reports, government documents, conference proceedings and web resources.The Library would be the best place to search for your sources.If you know how to write a research paper, you can proceed on similar lines.Now, you may ask how a literature review is different from a research paper.