Rachmat, Basuki, Antonius Yudi Kristanto, and Totih Ratna Sondari. “Quality of Handwashing in Informal Workers in Indonesia”. JURNAL KESEHATAN LINGKUNGAN 14, no. 1 (January 26, 2022): 55–62. Accessed December 3, 2024. https://e-journal.unair.ac.id/JKL/article/view/31453.