Knowledge study book icon with light bulb line art vector illustration
Schlüsselwörter
book,
bulb,
light,
idea,
open,
concept,
vector,
education,
icon,
illustration,
symbol,
lamp,
energy,
electricity,
reading,
page,
electric,
cognition,
light bulb,
paper,
light bulb,
idea,
school,
bright,
business
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