Zulkarnain, H.; Asmoro, C. P.; Purwaningsih, P.; Wahyudi, A. S.; Lestari, W. T. Educating First-Grade Elementary Students to Soap Handwashing to Enhance COVID-19 Readiness During the New Normal Era: Edukasi Mencuci Tangan Sabun Bagi Siswa SD Kelas 1: Tingkatkan Kesiapsiagaan COVID-19 Era New Normal. JCEMTY 2024, 2, 33-40.