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 (Jun. 2022), 22–35. DOI:https://doi.org/10.62951/icistech.v2i1.8.