2018. THE EFFECTIVENESS OF METHOD, VIDEO, IMAGE, AND SONG ON HAND WASHING BEHAVIOR IN 1ST-3RD GRADERS OF SDIT PERMATA MULIA MOJOKERTO. INTERNATIONAL JOURNAL OF NURSING AND MIDWIFERY SCIENCE (IJNMS). 2, 02 (Sep. 2018), 137–144. DOI:https://doi.org/10.29082/IJNMS/2018/Vol2/Iss02/133.