1.
Himanshu Shekher, Sushil Kumar Yadav, Pankaj Kumar Yadav, Shalini Tiwari, Kaushalendra Prakash Goswami. Assessment of air pollution level in Sonbhadra district using air quality index . NGJI [Internet]. 2023 Dec. 31 [cited 2024 Feb. 27];69(4). Available from: https://ngji.in/index.php/ngji/article/view/845