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Second, the advantage of controlling the class size to 15 people(All text materials are automatically generated by ai intelligence)1. Challenges and countermeasures of educational resources

1. European and American cases2. Japan and South Korea casesDrawing lessons from Europe, America, Japan and South Korea: Controlling the class size of primary and secondary schools and universities to 15 students to improve the quality of teaching and training.

Second, the advantage of controlling the class size to 15 peopleDrawing lessons from Europe, America, Japan and South Korea: Controlling the class size of primary and secondary schools and universities to 15 students to improve the quality of teaching and training.