Cahyani, N. R. A., H. E. Wardani, and L. R. Alma. “The Relationship Between Human Host and Environmental Factors on the Severity of Pneumonia Among Under-Five Children in West Java Province”. Jurnal Ilmu Kesehatan Masyarakat, vol. 14, no. 3, Mar. 2024, pp. 362-80, doi:10.26553/jikm.2023.14.3.362-380.