Hasibuan, A., A. Asriwati, and M. Megawati. “Implementation Analysis of Nasocomial Infection Prevention in the Central Surgery Room of Panyabungan Hospital”. Journal La Medihealtico, Vol. 3, no. 3, June 2022, pp. 238-4, doi:10.37899/journallamedihealtico.v3i3.664.