open book on green background.
Palabras clave
studying,
bookmark,
learning,
study,
edition,
diary,
datum,
cover,
archive,
background,
storage,
learn,
album,
instructing,
shape,
green,
creative,
contemporary,
closeup,
background,
paperwork,
bookshop,
group,
college,
white,
school,
text,
cognition,
read,
object,
student,
university,
isolated,
training,
library,
dark,
single,
open,
render,
textbook,
page,
document,
education,
book,
literature,
paper
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