Hashim M, Rahman A, Bibi S. The Use And Effect Of Smartphones In Students’ Learning Activities: A Case Study Of Punjab Daanish Higher Secondary School Dera Ghazi Khan. JEHR [Internet]. 2022 Dec. 31 [cited 2024 Nov. 14];14(2):24-35. Available from: http://journal.uob.edu.pk/journal/index.php/jehr/article/view/365