Kusumaningsih, Dewi, Beatrick Rosali Nasta, and Rudi Winarno. “Optimalisasi Pengetahuan Keluarga Tentang Hand Hygiene Di Ruang Rawat Inap”. Health Research Journal of Indonesia 4, no. 6 (August 31, 2026): 2873–2877. Accessed November 6, 2026. https://wpcpublisher.com/jurnal/index.php/HRJI/article/view/1420.