Sari, Ethyca. 2017. “PENGARUH DEMONSTRASI CUCI TANGAN TERHADAP PERILAKU CUCI TANGAN ANAK TK DI TK SISWA HARAPAN SURABAYA”. Jurnal Keperawatan 6 (2), 7 Pages. https://jurnal.stikeswilliambooth.ac.id/index.php/d3kep/article/view/78.