Mukhopadhyay, P., and N. C. Dey. “Lack of Knowledge on Job Heaviness May Cause Occupational Stress in Welders While Working Under Hostile Work Environment in a Public Domain”. Journal of Mines, Metals and Fuels, vol. 67, no. 5, Oct. 2022, pp. 292-8, http://informaticsjournals.com/index.php/jmmf/article/view/31558.