การศึกษา, สาว, นักเรียน, ครู, หญิง, คน, การเรียนรู้, ความรู้, วัยโจ๋, ห้องเรียน, เรียน
Public Domain
ภาพถ่ายปลอดค่าลิขสิทธิ์ที่เกี่ยวข้อง
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