Vì sao sách giáo khoa bây giờ đắt hơn xưa? Vì sao sách giáo khoa bị chê nhiều thế? Câu chuyện độc quyền sách giáo khoa bàn mãi bao năm vẫn chưa có hồi kết, vậy mỗi người chúng ta có thể làm gì?
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