arshad, sidra. “FREQUENCY OF NECK AND BACK FUNCTIONAL DISABILITY AMONG UNIVERSITY STUDENTS RELATED TO USAGE OF ELECTRONIC GADGETS DURING COVID-19 QUARANTINE”. Pakistan Journal of Physical Therapy (PJPT) 4, no. 4 (December 28, 2021). Accessed July 5, 2025. https://journals.uol.edu.pk/PJPT/article/view/1666.