Xinhua Bookstore, Joyo Amazon and the local education bureau book center. Review textbooks for college graduates in Xinjiang can be purchased from Xinhua Bookstore, Amazon in Joyo and the book purchasing center of the local education bureau. The teaching materials are complete and genuine. College-upgraded undergraduate course is the abbreviation of college-level education in general higher education, which usually appears in the college entrance examination and related documents of the education administrative department.