Through China HowNet, China HowNet is the authoritative source of online literature. Most colleges and universities have cooperation with China HowNet, so they can enjoy the treatment of downloading documents for free at school, and some other documents need to be charged. Besides, it's very convenient to find. Just enter the title of the document in the official website classified catalogue or retrieval area of China HowNet.
By using advanced retrieval in VIP journals, we can find the articles we need very accurately. Through Wanfang database, the retrieval method is to click on the home page and then search for advanced retrieval next to it, and then enter the retrieval area. Through Baidu Academic, the retrieval method is similar, just enter the name in the search bar.
Other sources of literature: The above are commonly used literature search methods. If there are some majors, you can search through these channels: open the world; Superstar books; E diagram; Reading shows Chinese; Bailianyun; Global cable TV, etc. Journals are generally short, about 2000 words, and the content is relatively shallow, but you can understand your own research situation.
Doctoral and master's theses are generally 30 thousand words. For undergraduates, you can refer to doctoral and master's dissertations, learn from their chapter arrangement and typesetting, and give some basic ideas to your thesis. Books, user representatives, reference books and monographs can refer to the corresponding books according to the needs of paper research.