อ่าน, เพื่อเรียนรู้, แล็ปท็อป, อินเทอร์เน็ต, ออนไลน์, หนังสือ, ความรู้, ความสำเร็จ, สำรอง, ห้องสมุด, ยิ้ม
Public Domain
ภาพถ่ายปลอดค่าลิขสิทธิ์ที่เกี่ยวข้อง
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