open book icons four distinct black styles on white background
Schlüsselwörter
open book,
reading,
literature,
education,
cognition,
learning,
study,
textbook,
novel,
page,
icon,
vector,
illustration,
graphic,
design,
symbol,
pictogram,
black,
white background,
isolated,
simple,
minimalist,
set,
collection,
school,
university,
library,
information,
research,
document,
publication,
black-and-white,
open,
book,
icon,
4,
distinct
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