Rauniyaar, Jyoti, Girja Mani Aryal, and Bhanu Bhakta Neupane. “Morphological Study on Particulate Matter of Kathmandu Valley”. BIBECHANA 16 (November 22, 2018): 41–46. Accessed May 19, 2024. https://nepjol.info/index.php/BIBECHANA/article/view/19190.