ห้องสมุด, สัญญาณ, จาน, หนังสือ, การศึกษา, หนังสือห้องสมุด, สัญลักษณ์, โรงเรียน, ไอคอน, ออกแบบ, วรรณกรรม
Public Domain
ภาพถ่ายปลอดค่าลิขสิทธิ์ที่เกี่ยวข้อง
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