Abid, A., M. A. Arif, S. Zahid, and M. S. Yousafzai. “Frequency of Musculoskeletal Disorder of Upper Limb in Gardeners of Pakistan Horticulture Authority”. Pakistan Journal of Physical Therapy (PJPT), vol. 3, no. 02, Aug. 2021, pp. 10-14, doi:10.52229/pjpt.v3i02.1163.