WIHARTO, Mulyo; SUMARTONO, Sumartono; MARATIS, Jerry. Efforts to Maintain Health by Implementing Six Step Handwashing for Middle School Students . Jurnal Penelitian Pendidikan IPA, [S. l.], v. 9, n. 5, p. 2573–2579, 2023. DOI: 10.29303/jppipa.v9i5.3195. Disponível em: https://jppipa.unram.ac.id/index.php/jppipa/article/view/3195. Acesso em: 22 nov. 2024.