1, the traditional way to find references is through the library, and the books in the library are the main way to find traditional references, and compared with other ways, it is more convenient and affordable.
2. According to China HowNet, China HowNet (CNKI) is the authoritative source of online documents, and 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.
3. By using advanced retrieval in VIP journals, we can find the articles we need very accurately.
4. 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.
5. Through Baidu Academic, the retrieval method is similar, just enter your name in the search bar.
6. Other literature sources: The above are commonly used literature retrieval methods. If some of them are more professional, you can search in these ways: ① Open the world; 2 superstar books; (3) electronic diagram; 4 reading language; ⑤ An Baili Cloud; ⑥ Global cables, etc.
The literature types are as follows:
1, a periodical, represented by [J], is generally short in length and shallow in content, but you can learn about your own research.
2. Doctoral and master's theses, indicated by [D], can refer to undergraduate doctoral and master's theses, draw lessons from their chapter arrangement and typesetting, and give some basic ideas to their own papers.
3. Books, represented by [M], refer to books and monographs. You can refer to the corresponding books according to the needs of paper research.
4, newspaper literature, [N] said.
5. Reporting literature, [R] said.
6. According to the publishing form, there are ten kinds: scientific books, scientific journals, patent documents, conference documents, scientific reports, government publications, dissertations, standard documents, product materials and other documents. According to the processing depth, there are primary documents, secondary documents and tertiary documents.