NEUPANE, P. K.; SHRESTHA, S. B.; RUPAKHETI, D.; JOSHI, D. R.; JOSHI, T. P. A Short-Term Measurement of PM2.5 Concentration During the COVID-19 Lockdown Period in Kathmandu Valley. Nepal Journal of Science and Technology, [S. l.], v. 21, n. 1, p. 73–80, 2022. DOI: 10.3126/njst.v21i1.49916. Disponível em: https://www.nepjol.info/index.php/NJST/article/view/49916. Acesso em: 23 feb. 2024.