Stack of books isolated on the white background
Palabras clave
background,
blank,
book,
book,
collection,
colours,
cover,
education,
expertise,
group,
hardcover,
heap,
isolated,
learning,
leather,
library,
literature,
nobody,
object,
open,
order,
page,
page,
paper,
reading,
red,
research,
row,
school,
stack,
text,
textbook,
textbook,
manual,
manual,
variation,
white,
wisdom
){kind=link}