Tài liệu học

{"id":2393,"type":"document","url":"https://biteducation.easyedu.vn/sites/default/files/easyschool/upload/2025/11/tai_lieu_hoc_21.11.2025.docx","width":null,"height":null,"thumbnail":"https://biteducation.easyedu.vn/sites/all/themes/easyedu/images/word-large.png"}