Usually students would seek too many documents, even with the documents unnecessary and unrelated to the research subjects. Meanwhile, the related study materials and the need to not find the subject. Students often passive in seeking documentation search mainly from books, textbooks, internet, library, ... The search for important documents and realistic, it is very difficult, sometimes costly . Finding and using the documents of foreign origin is still limited.
đang được dịch, vui lòng đợi..