SRIVASTAVA, H., VERMA, S. and PANT, T. (2023) “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(4), pp. 999–1014. doi: 10.54302/mausam.v74i4.6124.