Triestuning, E.; Prasetyo, R.; Aindah, D. N.; Ardianti, R. I.; Anifa, D. W.; Khalifah, N.; Anggraheni, D. F.; Fridasari, D.; Oktavina, S. M. IMPROVEMENT OF KNOWLEDGE OF STUDENTS OF ELEMENTARY SCHOOL OF RANGKAH KIDUL ON HAND WASH THROUGH HEALTH PROMOTION. CSJI 2019, 1, 18-20.