Rizkiyah, U. , Setiawan, M.R. and Tatius N., B. 2024. Analysis of Biological Exposure Duration and Worker Characteristics on The Incidence of Covid-19 in Hospitals. Nusantara Science and Technology Proceedings. 2024, 44 (Oct. 2024), 33-38. DOI:https://doi.org/10.11594/nstp.2024.4406.