Paudel, Dharma Raj, and Hom Nath Baral. “Study of Noise Level Status at Different Rice Mills in Surkhet Valley, Nepal”. Himalayan Physics 9, no. 01 (December 31, 2020): 86–92. Accessed November 22, 2024. https://nepjol.info./index.php/HP/article/view/40202.