Septiana, Della Hani, and Dian Budi Santoso. “Spatial Analysis and Risk Factor Association of Pneumonia Cases Among Under-Five Children in Surakarta City”. International Journal of Health and Information System 3, no. 2 (September 23, 2025): 96–110. Accessed June 4, 2026. https://ijhis.pubmedia.id/index.php/ijhis/article/view/74.