Halim, Eka Cipta, and Oedojo Soedirham. “PERILAKU CUCI TANGAN DI KALANGAN SISWA-SISWI SMAK SANTA AGNES SURABAYA”. The Indonesian Journal of Public Health 13, no. 2 (February 11, 2019): 210–221. Accessed January 24, 2025. https://e-journal.unair.ac.id/IJPH/article/view/8234.