YADAV, Ranjit Prasad. Analysis of Seasonal Variation and Measurement of Total Ozone over Birgunj. Academic Voices: A Multidisciplinary Journal, [S. l.], v. 9, n. 1, p. 33–43, 2019. DOI: 10.3126/av.v9i1.74094. Disponível em: https://nepjol.info/index.php/AV/article/view/74094. Acesso em: 23 feb. 2025.