The main purpose of a literature review is to show your reader that you have read the previous work related to the topic of your dissertation. You can write the literature review for your dissertation by reading the some online sources, dissertation samples, assignments and also journal articles. This literature review is very important in order to understand the objective of your dissertation. In this way, you will also be able to know that what should be the findings and results of your dissertation. In short, the literature review of your dissertation is also very important. Some characteristics of a dissertation literature review are given below;