Wawang, Wawang, et al. “Spatial Distribution and Temporal Trends of Pneumonia in Indonesia: Descriptive Analysis of Early Warning and Response System (SKDR) Data, 2022-2024”. The Indonesian Journal of Infectious Diseases, vol. 11, no. 2, Dec. 2025, pp. 147-60, doi:10.32667/ijid.v11i2.580.