“Hubungan Riwayat Imunisasi Dan Pemberian Vitamin A Dengan Kejadian Pneumonia Pada Balita Di Rawat Inap RSUD Pasirian Lumajang: Associations of Immunization History and Vitamin A Provision With the Incidence of Pneumonia in Toddlers at Pasirian Lumajang Regional Hospital”. Journal Nursing Research Publication Media (NURSEPEDIA) 2, no. 2 (June 30, 2023): 92–102. Accessed June 6, 2026. https://nursepedia.lenteramitralestari.com/index.php/nsp/article/view/40.