Epinus Wenda, Yacob Ruru, Novita Medyati. Factors Related to the Incidence of Pneumonia in Children under Five at the Makki Public Health Center, Lanny Jaya Regency. IJSBAR. 2022;61(2):94-102. Accessed January 10, 2026. https://www.gssrr.org/JournalOfBasicAndApplied/article/view/13846