Widodo, Haris, Tiffany Gita Sesaria, M Ruli Maulana, and Nyein Moh Moh Myint. 2020. “Effectiveness of Surgical Hand Washing With Chlorhexidine, Providone Iodine and Alcohol on Reducing the Microorganisms on the Hands: A Systematic Review”. Jurnal Ners 14 (3):112-16. https://doi.org/10.20473/jn.v14i3.17013.