“Contextual Effect of Village on the Risk of Pneumonia in Children Under Five in Magetan, East Java”, J Epidemiol Public Healt, vol. 4, no. 2, pp. 117–126, Apr. 2019, Accessed: Jan. 29, 2026. [Online]. Available: https://jepublichealth.com/index.php/jepublichealth/article/view/132