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What are the basic steps of literature retrieval?
The steps of literature information retrieval include: analyzing the subject, selecting retrieval tools, determining retrieval approaches, selecting retrieval methods, searching for literature clues and obtaining original literature.

1. Analysis topic 1. The title of the academic paper is a comparative study on the training of special education teachers at home and abroad. This topic belongs to the category of pedagogy; It belongs to the direction of special education in nature; This topic has two characteristics-(1) is a comparative study, (2) the research object is teacher training, and the research scope is four countries at home and abroad: China, the United States, Britain and Australia.