Meidy Binarrasitha Aisyi. (2022). The Effectiveness of Anti-Lead Mask Made from Water Hyacinth on Cigarette Industry Employees in Malang City. Proceeding of The International Conference of Inovation, Science, Technology, Education, Children, and Health, 2(1), 22–35. https://doi.org/10.62951/icistech.v2i1.8