Open book
Palabras clave
book,
open,
page,
abstract,
background,
binding,
blue,
blurred,
closeup,
concept,
conceptual,
cover,
datum,
dictionary,
education,
cyclopaedia,
fact,
hardcover,
information,
cognition,
learn,
literature,
macro,
manual,
memory,
paper,
reference,
school,
schoolbook,
sheet,
study,
text,
textbook,
tone
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