Chandramoorthy, K., P. Rajendran, A. Newtonraj, R. Rajamanickam, and A. J. Purty. “Pattern of WhatsApp and Facebook Usage and Its Impact on Sleep Quality Among Nursing Students in Pondicherry”. International Journal Of Community Medicine And Public Health, vol. 8, no. 6, May 2021, pp. 2799-04, doi:10.18203/2394-6040.ijcmph20211918.