1. Conceptual frameworks for health systems performance: a quest for effectiveness, quality, and improvement;Arah;International Journal for Quality in Health Care,2003
2. Kaplan, R.S., & Norton, D.P. (1995). Putting the balanced scorecard to work. Performance measurement, management, and appraisal sourcebook, 66.
3. Parmenter, D. (2010). Key performance indicators (KPI): developing, implementing, and using winning KPIs. John Wiley & Sons.
4. Measures of crowding in the emergency department: a systematic review;Hwang;Academic Emergency Medicine,2011
5. Performance management strategies;Eckerson;Business Intelligence Journal,2009