Zuhroh DF, Widiyawati W, Jannah NH. ANALYSIS OF CHANGES IN HAND WASHING TECHNIQUES IN PRESCHOOL CHILDREN THROUGH THE DEMONSTRATION METHOD. UMGESHIC [Internet]. 2021 Dec. 24 [cited 2025 Jul. 6];1(2):784-92. Available from: https://journal.umg.ac.id/index.php/umgeshic/article/view/3454