NEUPANE, Pawan Kumar; SHRESTHA, Sunil Babu; RUPAKHETI, Dipesh; JOSHI, Dev Raj; JOSHI, Tista Prasai. 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://nepjol.info./index.php/NJST/article/view/49916. Acesso em: 27 apr. 2025.