Boy looking at business statistics on board.
Palabras clave
boy,
standing,
business,
statistic,
online,
home,
technology,
illustration,
service,
people,
man,
vector,
background,
app,
hand,
tutorial,
lecture,
course,
web,
teacher,
computer,
video,
training,
concept,
student,
distance,
study,
cyberspace,
lesson,
cognition