Hariyono, et al. “Level of Respiratory Transmitting Infection Based on Physical Sanitation of the House of Toddler in the Village Punjul Plosoklaten Kediri Regency”. STRADA : Jurnal Ilmiah Kesehatan, vol. 12, no. 2, Nov. 2023, pp. 109-15, doi:10.30994/sjik.v12i2.1078.