Trivedi, Drashti H, and Megha S Sheth. “Co-Relation Between Work Ability and Severity of Musculoskeletal Discomfort in Middle Aged Persons”. National Journal of Community Medicine, vol. 9, no. 01, Jan. 2018, pp. 42-45, https://njcmindia.com/index.php/file/article/view/633.