An open hardcover book and a stack of books on a white background.
Palabras clave
book,
education,
stack,
paper,
white background,
library,
literature,
school,
cover,
page,
study,
background,
reading,
hardcover,
open,
textbook,
pile,
text,
information,
science,
university,
document,
group,
learning,
wisdom,
collection,
concept,
heap,
object,
bookshop,
dictionary,
cognition,
research,
copy,
old,
archive,
back,
bookshelf,
colourful,
datum,
expertise,
row,
volume,
academic,
order,
publication,
variation,
white,
isolated
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