SRIVASTAVA, HARSH, SHIKHA VERMA, and TRILOKI PANT. “Analysis of the Effect of COVID-19 Lockdown on Air Pollutants Using Multi-Source Pollution Data and Meteorological Variables for the State of Uttar Pradesh, India”. MAUSAM 74, no. 4 (October 1, 2023): 999–1014. Accessed July 14, 2024. https://mausamjournal.imd.gov.in/index.php/MAUSAM/article/view/6124.