Lecturers teaching in class. Set of school teachers standing
Schlüsselwörter
university,
teacher,
teaching,
school,
classroom,
vector,
illustration,
blackboard,
class,
prof,
flat,
people,
training,
desk,
education,
lecture,
person,
character,
cartoon,
blackboard,
cognition,
behaviour,
lesson,
man,
profession,
woman,
work,
chalk,
collection,
lecturer,
pointing,
set,
speaker,
young,
student,
pupil,
discipline,
mathematic,
english,
history,
children,
science,
chemistry,
physics,
children,
geography,
information technology
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