Statistical Analysis of SO2 and NO2 with Respect to Meteorological Parameters (Gwalior, India). Pakistan Journal of Analytical & Environmental Chemistry, Pakistan, v. 22, n. 2, p. 280–287, 2021. DOI: 10.21743/pjaec/2021.12.07. Disponível em: http://pjaec.pk/index.php/pjaec/article/view/104. Acesso em: 4 jul. 2025.