Ardilla, Yustini, Indah Purnama Sari, and Iwan Stia Budi. “Residential Factors of Pneumonia: A Literature Review”. Jurnal Ilmu Kesehatan Masyarakat 10, no. 3 (November 1, 2019): 147–152. Accessed April 20, 2024. https://ejournal.fkm.unsri.ac.id/index.php/jikm/article/view/438.