hidayat, risyal hardiyanto. “Strategic Steps To Prevent COVID 19 Pendemi At the Indonesian Correctional Institution”. Jurnal Pendidikan Kesehatan (e-Journal) 9, no. 1 (April 26, 2020): 43–55. Accessed December 16, 2025. https://ojs.poltekkes-malang.ac.id/jpk/article/view/1494.