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 Science and Technology Proceedings, Malang, Indonesia, p. 383-398, 2022. DOI: 10.11594/nstp.2022.2760. Disponível em: https://nstproceeding.com/index.php/nuscientech/article/view/815. Acesso em: 5 feb. 2025.