Rahim, Annisa, and Ririh Yudhastuti. “Mapping And Analysis of Environmental Risk Factors Leptospirosis Incidence Based Geographic Information System (GIS) In Sampang Regency”. JURNAL KESEHATAN LINGKUNGAN 8, no. 1 (December 20, 2016): 48–56. Accessed August 3, 2024. https://e-journal.unair.ac.id/JKL/article/view/3099.