Balouch, M. A., R. Kausar, M. A. Abbassi, S. Soomro, S. Khan, and M. I. Ansari. “Online Social Networking Usage and Frequency of Depression in Undergraduate University Students”. Journal of University Medical & Dental College, Vol. 13, no. 2, May 2022, pp. 382-9, doi:10.37723/jumdc.v13i2.551.