Blackboard with chalk on a blackboard, education, classroom, writing, school, learning, teaching, chalkboard, creativity
Schlüsselwörter
education,
classroom,
writing,
school,
learning,
teaching,
blackboard,
creativity,
idea,
presentation,
e-learning,
studying,
lesson,
draw,
cognition,
background,
academic,
note,
lecture
Deutsch
