SCREENING INFORMATION OR STEPS :
Some of the references identified may not be relevant, readers can usually judge the relevance of the reference quickly based on abstract or a brief perusal of the introduction. Preferably, review relies on primary source research reports, which are description of the studies written-by researches who conducted them. Secondaq- source research articles are description of studies prepared by someone other than researcher. For example, literature review in secondary source. Preferably, written literature review should be based on primary sources, because secondary description may distort some aspects of research since author may not be completely objective in evaluating the study. Abstracting and organizing review: Afier screening the important references, notes should be taken with complete information on full citation, problem statement or hypothesis, method and procedure and the results and conclusions, etc. Then organize the material based on priority of significance.
It is essential to organize the findings from studies in a summary table. Copy the exact reference as you would have written and the library from where you obtained the material.