Pramesti, H. N. ., Purnomo, Y. S. ., Amalia, A. ., Rachmanto, T. A. ., & Cahyonugroho, O. H. . (2022). Effectiveness of Waste Shrimp Shell as Chitosan Polymer Medium (CPM) Mask In Reducing Cigarette Smoke. Nusantara Science and Technology Proceedings, 383-398. https://doi.org/10.11594/nstp.2022.2760