เรียน, โรงเรียน, อ่าน, เด็ก ๆ, นักเรียน, การศึกษา, ศึกษา, ความรู้, การอบรม, ตัวอักษร, แนวคิด
Public Domain
ภาพถ่ายปลอดค่าลิขสิทธิ์ที่เกี่ยวข้อง
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