Open Book with Check Mark.
Schlüsselwörter
book,
open,
check,
mark,
checkmark,
approved,
education,
learning,
reading,
cognition,
information,
validation,
confirmation,
symbol,
icon,
graphic,
illustration,
document,
page,
textbook,
study,
school,
library,
literature,
reference,
guide,
manual,
handbook,
directory,
catalog,
record,
file,
notation,
indicator,
signal,
signs,
symbolic,
token,
tags,
logotype,
emblem,
seal,
stamp,
confirmed,
accepted
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