book on a white background
Schlüsselwörter
background,
blank,
book,
booklet,
cover,
cutting,
design,
diary,
document,
education,
cyclopaedia,
hardcover,
illustration,
isolated,
learning,
library,
literature,
object,
page,
paper,
reading,
sheet,
single,
studying,
textbook,
white,
cognition
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