Kumar, Pawan, Sonisha Gupta, and Smita Asthana. “Effect of Air Pollution on Lung Function of Road Side Hawkers”. Indian Journal of Community Health 32, no. 4 (December 31, 2020): 699–704. Accessed April 25, 2024. https://iapsmupuk.org/journal/index.php/IJCH/article/view/1948.