Malau, Sammy Erica, and Samuel M. Simanjuntak. 2019. “The Hand Hygiene And Bacterial Colonies Count Of ICCU’ Visitors Hands: As An Indicator For Nosocomial Infection Prevention”. Klabat Journal of Nursing 1 (1):71-77. https://doi.org/10.37771/kjn.v1i1.381.