No copyright. Xueba notes have no copyright in Beijing Normal University, so there is no Beijing Normal University edition. Beijing Normal University Press was founded in 1980 as an education publishing house and one of the top 100 book publishing units in China, and Beijing Normal University Press was founded in 1980, with the publishing level at the central level. Beijing Normal University Press is one of the fastest-growing university publishers since the reform and opening up, and it is also one of the most influential education publishers in China.