Stack of books on desk, on blackboard background
Palabras clave
advertising,
background,
blackboard,
board,
book,
book,
calculus,
chalk,
blackboard,
classroom,
colours,
concept,
copy,
desk,
education,
grunge,
high,
idea,
intelligence,
cognition,
learn,
learning,
lecture,
literature,
notice,
old,
page,
primary,
problem,
reading,
retro,
school,
secondary,
space,
stack,
style,
teacher,
teaching,
text,
textbook,
university,
vintage,
wall,
wood,
wooden,
writing
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