Portrait of male teacher with book on color background. Space for text
Schlüsselwörter
academic,
adult,
background,
blackboard,
board,
book,
business,
career,
caucasian,
blackboard,
classroom,
clothes,
college,
colours,
copy,
education,
exam,
green,
happy,
instructor,
job,
cognition,
learn,
lecturer,
lesson,
male,
man,
mentor,
occupation,
person,
portrait,
profession,
school,
science,
showing,
smart,
smile,
smiling,
space,
student,
study,
teacher,
text,
textbook,
tutor,
university,
work,
working,
young
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