1. Determine the topic: First, you need to determine your research topic. This will help you determine the type and scope of the literature you need to look for.
2. Collect documents: Use academic databases, such as JSTOR and PubMed, to find documents related to your topic. Make sure you are looking for an authoritative and reliable source.
3. Reading and evaluation: Read the found literature carefully and evaluate it. You need to determine the main points of each document and their relationship with your research topic.
4. Classification and organization: Classify and organize the found documents according to the theme or viewpoint. This will help you keep clear and organized in your writing.
5. Writing: Start writing your literature review. You should start by introducing your topic and your research questions, then discuss the literature you have found in detail, and finally summarize your findings.
6. Citation: Make sure you quote all the documents correctly. This is not only to avoid plagiarism, but also to let readers find your resources.
7. Revise and edit: After completing the first draft, take the time to revise and edit your literature review. Make sure your point of view is clear, your language is accurate and your quotation is correct.
8. Feedback: If possible, let your tutor or classmates read your literature review and provide feedback. They may offer some useful suggestions to help you improve your work.
These are the steps to write an effective literature review of undergraduate thesis. Remember, writing is an iterative process. Don't expect to write a perfect manuscript once.