Pramesti, H. N. .; Purnomo, Y. S. .; Amalia, A. .; Rachmanto, T. A. .; Cahyonugroho, O. H. . Effectiveness of Waste Shrimp Shell As Chitosan Polymer Medium (CPM) Mask In Reducing Cigarette Smoke. Nusantara Sci. Tech. Proc. 2022, 383-398. https://doi.org/10.11594/nstp.2022.2760.