Bunga Oktora B. THE RELATIONSHIP BETWEEN LEVELS OF KNOWLEDGE WITH BEHAVIOR OF PROPER HAND-WASHING IN THE FIFTH GRADE STUDENTS MARDIYUANA ELEMENTARY SCHOOL BOGOR: HUBUNGAN TINGKAT PENGETAHUAN DENGAN PERILAKU MENCUCI TANGAN YANG BENAR PADA SISWA KELAS V DI SD MARDIYUANA BOGOR. Jurnal Ilmiah Wijaya [Internet]. 2019May15 [cited 2025Jul.4];11(1):99-106. Available from: https://www.jurnalwijaya.com/index.php/jurnal/article/view/pv11n1p99