K.L, Shobha, Subbramaniam Venkatachalam, Ashriina Nair, Buwanesswaran Elangu, Periyaiyadever Samuganathan, Barathi Subramanian, Amita Shobha Rao, and Ramachandra L. “Study of Lung Function on Construction Workers”. International Journal of Health 5, no. 1 (May 30, 2017): 97–99. Accessed May 4, 2024. https://www.sciencepubco.com/index.php/IJH/article/view/7655.