Abid, Ubaidullah, Tooba Jawed Khan, Asif Sheikh, Saud Saleem, Hammad Afzal Kayani, and Muhammad Atif Habib. 2020. “The Relationship Between Smartphone Addiction and Depression Among University Students in Karachi: A Cross-Sectional Study”. International Journal Of Community Medicine And Public Health 7 (9):3472-79. https://doi.org/10.18203/2394-6040.ijcmph20203909.