Andrianti, Merry, and Y. Denny A. Wahyudiono. “Characteristic Study of Knowledge and Behaviour of Housekeeping on Office Staff”. The Indonesian Journal of Occupational Safety and Health 11, no. 1 (March 30, 2022): 94–102. Accessed August 5, 2024. https://e-journal.unair.ac.id/IJOSH/article/view/21000.