Unggul, Didik Bani, Khomaria Nurul Ainy, and Roudlotul Jannah. “Profiling the Inequality of School Water, Sanitation, and Hygiene Facilities Among Indonesian Regions Using Cluster Analysis”. JURNAL KESEHATAN LINGKUNGAN 15, no. 1 (January 30, 2023): 27–36. Accessed August 3, 2024. https://e-journal.unair.ac.id/JKL/article/view/40386.