Επιλεκτική εστίαση του μαθητή χρησιμοποιώντας smartphone στην τάξη με καθηγητή στο φόντο - Φωτογραφίες & Εικόνες Αρχείου

Young asian student boy waving hand in classroom with friends

Young pensive asian student boy in classroom with friends

Young happy caucasian student boy in classroom with friends

Young tired teenagers studying on computers

Young happy caucasian student boy in classroom with friends

Smiling and happy teenagers sitting on grass and looking at smartphone

Young asian student boy writing on exercise book

Young pensive caucasian student girl in classroom with friends