Open book isolated on white background.
Palabras clave
white,
pile,
paper,
book,
literature,
isolated,
graduation,
page,
wisdom,
document,
aged,
print,
nobody,
many,
view,
tool,
media,
read,
blank,
teacher,
study,
signs,
stack,
letter,
datum,
discovery,
old,
magnifying,
black,
object,
research,
library,
texture,
textbook,
group,
text,
school,
looking,
education,
information,
work,
space,
note,
image,
single,
office
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