Majumder, Ahmad Kamruzzaman, V Krishna Murthy, Sanjay Nath Khanal, and Dhiraj Giri. “NO₂ Concentration in Banepa Valley, Nepal”. Kathmandu University Journal of Science Engineering and Technology 4, no. 1 (September 1, 2008). Accessed September 19, 2024. https://journals.ku.edu.np/kuset/article/view/221.