Paliama, Anthoncta, Suatmaji Suatmaji, I dewa Ayu Ray Netra wati, Yani Sri Yani, and Widyasih Oktaviana. 2018. “Effectiveness of Adding Disposable Brush to the Surgical Scrub Routines in Reducing Hand Bacterial Flora”. International Journal of Sciences: Basic and Applied Research (IJSBAR) 37 (3):212-18. https://www.gssrr.org/index.php/JournalOfBasicAndApplied/article/view/7749.