Syahrir, Syahrir, et al. “Model Development of Professional Nursing Care Method Based-Knowledge Management (Pncm+Km) to Improve Nursing Performance”. International Journal of Sciences: Basic and Applied Research (IJSBAR), vol. 24, no. 7, Dec. 2015, pp. 29-40, https://www.gssrr.org/JournalOfBasicAndApplied/article/view/5029.