Shree Laleitha, G., K. Jagan, R. Kannan, and Shabarish Kumar. “Development of Mask Using Bamboo Fibre”. International Journal of Recent Advances in Multidisciplinary Topics 2, no. 6 (June 24, 2021): 170–172. Accessed December 7, 2021. https://journals.resaim.com/ijramt/article/view/892.