tired students with tablet pc, books and notebooks
Palabras clave
education,
student,
school,
college,
technology,
cyberspace,
tablet,
e-learning,
reading,
taking,
making,
note,
university,
new,
modern,
computer,
group,
looking,
bored,
sleepy,
international,
studying,
class,
boy,
girl,
woman,
man,
team,
young,
classroom,
classmate,
teenage,
people,
friends,
online,
sad,
browsing,
preparing,
test,
exam,
worried,
preparation,
serious,
cephalalgia,
high,
stress,
cognition,
teenage
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