Khattak, Aqsa Hijab. Impact of the excessive use of cellphone on the mental health and child parent dynamic of adolescents / [Thesis or Dissertation] Aqsa Hijab Khattak. - Islamabad : COMSATS University Islamabad, 2019. - ii, 45 pages : ; 30 cm Subjects--Personal Names: Supervisor, Index Terms--Genre/Form: Humanities Dewey Class. No.: 150 / KHA-I