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2021. 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). 6, 2 (Jun. 2021), 298–312. DOI:https://doi.org/10.35457/josar.v6i2.2068.