Rahmawati, F. N. (2018). Relationship between House Sanitation and Number of Bacterial in Bed Room with Pneumonia Case of Children Under Five Years Old in Kenjeran Sub District Surabaya. JURNAL KESEHATAN LINGKUNGAN, 10(3), 306–312. https://doi.org/10.20473/jkl.v10i3.2018.306-312