สาว, หนังสือ, นักเรียน, การศึกษา, การเรียนรู้, ศึกษา, หญิง, หนุ่มสาว, คนผิวขาว, ครู, บทเรียน
Public Domain
ภาพถ่ายปลอดค่าลิขสิทธิ์ที่เกี่ยวข้อง
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