Pari, Amal, and Prakash C. Dhara. “Evaluation of Cardiopulmonary Stress of the China Clay Mine Workers”. International Journal of Occupational Safety and Health 2, no. 2 (July 31, 2012): 27–33. Accessed December 21, 2024. https://nepjol.info/index.php/IJOSH/article/view/6594.