“THE EFFECTIVENESS OF METHOD, VIDEO, IMAGE, AND SONG ON HAND WASHING BEHAVIOR IN 1ST-3RD GRADERS OF SDIT PERMATA MULIA MOJOKERTO”. 2018. INTERNATIONAL JOURNAL OF NURSING AND MIDWIFERY SCIENCE (IJNMS) 2 (02): 137-44. https://doi.org/10.29082/IJNMS/2018/Vol2/Iss02/133.