หนังสือ, ชั้นวางหนังสือ, ในร่ม, หิ้ง, เลือก, คน, การศึกษา, ทางเลือก, วรรณกรรม, วิจัย, ค้นหา
Public Domain
ภาพถ่ายปลอดค่าลิขสิทธิ์ที่เกี่ยวข้อง
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