ULUM, M. M.; MUGIANTI, S.; SUNARNO, I. Development of PeCiKu TAHeS Educational Media (Hand Washing Habits and Short Nails for Grat and Healthy Children) to Increase Knowledge and Attitudes to Prevent Covid 19 at Tanjungsari 2 Elementary School, Blitar City. JOSAR (Journal of Students Academic Research), v. 6, n. 2, p. 298-312, 2 Jun. 2021.