Esparza Encalada, Willam Ricardo, Wilson Herrera, and Luís Chamorro. “Manufacture of a Non-Woven Using Bamboo Cellulose Base (angustifolia) As a Filter Medium for the Manufacture of Masks”. International Journal for Innovation Education and Research 8, no. 12 (December 1, 2020): 324–332. Accessed May 6, 2024. https://scholarsjournal.net/index.php/ijier/article/view/2852.