นักเรียน, ชั้น, โรงเรียน, การศึกษา, การเรียนรู้, ศึกษา, หนังสือ, ความรู้, ความฉลาด, สาว
Public Domain
ภาพถ่ายปลอดค่าลิขสิทธิ์ที่เกี่ยวข้อง
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