Sidabutar, S.S. and Waruwu, C.J. 2022. Metode Ceramah dan Media Leaflet terhadap Pengetahuan Ibu dalam Pencegahan ISPA. Window of Health : Jurnal Kesehatan. 5, 4 (Oct. 2022), 706-712. DOI:https://doi.org/10.33096/woh.v5i04.16.