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Stack of books. Knowledge Concept.

Stock Photo:
Image ID: 76746406
Release Information: N/A
Copyright: ktsdesign
Small
379x500 5.3"x6.9" (72dpi) 149 KB
Med
757x1000 2.5"x3.3" (300dpi) 488 KB
Large
3520x4650 11.7"x15.5" (300dpi) 7.0 MB
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