Pile of books with different colors of covers and white background
Palabras clave
book,
pile,
book,
isolated,
white,
background,
education,
literature,
library,
school,
group,
heap,
information,
paper,
science,
old,
cognition,
object,
text,
cover,
study,
collection,
textbook,
page,
wisdom,
university,
datum,
learning,
reading,
instructing,
literary,
research,
tower,
college,
learn,
read,
publication