THE EFFECTIVENESS OF METHOD, VIDEO, IMAGE, AND SONG ON HAND WASHING BEHAVIOR IN 1ST-3RD GRADERS OF SDIT PERMATA MULIA MOJOKERTO. IJNMS [Internet]. 2018 Sep. 29 [cited 2025 Aug. 27];2(02):137-44. Available from: https://ijnms.net/index.php/ijnms/article/view/133