stack of different books on a white background
Schlüsselwörter
article,
background,
book,
closeup,
cover,
dictionary,
document,
education,
heap,
information,
intellectual,
cognition,
library,
literature,
object,
open,
page,
paper,
reading,
research,
school,
science,
stack,
stacked,
study,
text,
textbook,
training,
university,
vertical,
white,
wisdom
Deutsch
