پەیوەندیدانی مۆبایل

How long do you use your smartphone for lecture and study-related activities per day?

  1. no
  2. 3
  3. 1 hr
  4. 1
  5. 1
  6. 1
  7. 2
  8. 0.5
  9. 0
  10. 0.2