Knowledge in Chalk Hand Writing on Old Grunge Chalkboard Background, Suitable for Education and Business Concept.
Palabras clave
ability,
abstract,
background,
blackboard,
blank,
board,
brainstorming,
brilliant,
business,
career,
blackboard,
classroom,
communication,
concept,
copy,
to urbanize,
development,
drawing,
education,
educational,
efficiency,
empty,
life events,
expertise,
idea,
improve,
innovation,
intellectual,
intelligence,
intelligent,
cognition,
learn,
learning,
library,
literature,
management,
plan,
professional,
progress,
quality,
school,
strategy,
study,
success,
teamwork,
texture,
wisdom,
work,
earth,
write
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