Aprilia, Feny Dwi, et al. “Improving School-Age Children’s Knowledge on Coughing and Sneezing Ethics through Linear Multimedia”. Jurnal Ners Dan Kebidanan (Journal of Ners and Midwifery), vol. 10, no. 3, Dec. 2023, pp. 365-72, doi:10.26699/jnk.v10i3.ART.p365-372.